1978158420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 432

約数和(自身を含む): 7529034240

約数和(自身を除く): 5550875820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 79, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 158, 167, 170, 180, 196, 204, 210, 237, 238, 245, 252, 255, 294, 306, 315, 316, 334, 340, 357, 395, 420, 441, 474, 476, 490, 501, 510, 553, 588, 595, 612, 630, 668, 711, 714, 735, 765, 790, 833, 835, 882, 948, 980, 1002, 1020, 1071, 1106, 1169, 1185, 1190, 1260, 1343, 1422, 1428, 1470, 1503, 1530, 1580, 1659, 1666, 1670, 1764, 1785, 2004, 2142, 2205, 2212, 2338, 2370, 2380, 2499, 2505, 2686, 2765, 2839, 2844, 2940, 3006, 3060, 3318, 3332, 3340, 3507, 3555, 3570, 3871, 4029, 4165, 4284, 4410, 4676, 4740, 4977, 4998, 5010, 5355, 5372, 5530, 5678, 5845, 6012, 6636, 6715, 7014, 7110, 7140, 7497, 7515, 7742, 8058, 8183, 8295, 8330, 8517, 8820, 9401, 9954, 9996, 10020, 10521, 10710, 11060, 11356, 11613, 11690, 12087, 12495, 13193, 13430, 14028, 14195, 14220, 14994, 15030, 15484, 16116, 16366, 16590, 16660, 17034, 17535, 18802, 19355, 19873, 19908, 20145, 21042, 21420, 23226, 23380, 24174, 24549, 24885, 24990, 25551, 26386, 26860, 28203, 28390, 29988, 30060, 32732, 33180, 34068, 34839, 35070, 37485, 37604, 38710, 39579, 39746, 40290, 40915, 42084, 42585, 46452, 47005, 48348, 49098, 49770, 49980, 51102, 52605, 52772, 56406, 56780, 58065, 59619, 60435, 65807, 65965, 69678, 70140, 73647, 74970, 77420, 79158, 79492, 80580, 81830, 84609, 85170, 92351, 94010, 98196, 99365, 99540, 102204, 105210, 112812, 116130, 118737, 119238, 120870, 122745, 127755, 131614, 131930, 139111, 139356, 141015, 147294, 149940, 158316, 163660, 169218, 170340, 174195, 178857, 184702, 188020, 197421, 197895, 198730, 210420, 224281, 232260, 237474, 238476, 241740, 245490, 255510, 263228, 263860, 277053, 278222, 282030, 294588, 298095, 329035, 338436, 348390, 357714, 368235, 369404, 394842, 395790, 397460, 417333, 423045, 448562, 461755, 474948, 490980, 511020, 554106, 556444, 564060, 592263, 593685, 596190, 646457, 658070, 672843, 695555, 696780, 715428, 736470, 789684, 791580, 831159, 834666, 846090, 894285, 897124, 923510, 987105, 1108212, 1121405, 1184526, 1187370, 1192380, 1251999, 1292914, 1316140, 1345686, 1385265, 1391110, 1472940, 1569967, 1662318, 1669332, 1692180, 1788570, 1847020, 1939371, 1974210, 2018529, 2086665, 2242810, 2369052, 2374740, 2503998, 2585828, 2691372, 2770530, 2782220, 2961315, 3139934, 3232285, 3324636, 3364215, 3577140, 3878742, 3948420, 4037058, 4155795, 4173330, 4485620, 4709901, 5007996, 5541060, 5818113, 5922630, 6259995, 6279868, 6464570, 6728430, 7757484, 7849835, 8074116, 8311590, 8346660, 9419802, 9696855, 10092645, 10989769, 11636226, 11845260, 12519990, 12929140, 13456860, 14129703, 15699670, 16623180, 18839604, 19393710, 20185290, 21979538, 23272452, 23549505, 25039980, 28259406, 29090565, 31399340, 32969307, 38787420, 40370580, 43959076, 47099010, 54948845, 56518812, 58181130, 65938614, 70648515, 94198020, 98907921, 109897690, 116362260, 131877228, 141297030, 164846535, 197815842, 219795380, 282594060, 329693070, 395631684, 494539605, 659386140, 989079210, 1978158420]

約数ペア:

[(1, 1978158420), (2, 989079210), (3, 659386140), (4, 494539605), (5, 395631684), (6, 329693070), (7, 282594060), (9, 219795380), (10, 197815842), (12, 164846535), (14, 141297030), (15, 131877228), (17, 116362260), (18, 109897690), (20, 98907921), (21, 94198020), (28, 70648515), (30, 65938614), (34, 58181130), (35, 56518812), (36, 54948845), (42, 47099010), (45, 43959076), (49, 40370580), (51, 38787420), (60, 32969307), (63, 31399340), (68, 29090565), (70, 28259406), (79, 25039980), (84, 23549505), (85, 23272452), (90, 21979538), (98, 20185290), (102, 19393710), (105, 18839604), (119, 16623180), (126, 15699670), (140, 14129703), (147, 13456860), (153, 12929140), (158, 12519990), (167, 11845260), (170, 11636226), (180, 10989769), (196, 10092645), (204, 9696855), (210, 9419802), (237, 8346660), (238, 8311590), (245, 8074116), (252, 7849835), (255, 7757484), (294, 6728430), (306, 6464570), (315, 6279868), (316, 6259995), (334, 5922630), (340, 5818113), (357, 5541060), (395, 5007996), (420, 4709901), (441, 4485620), (474, 4173330), (476, 4155795), (490, 4037058), (501, 3948420), (510, 3878742), (553, 3577140), (588, 3364215), (595, 3324636), (612, 3232285), (630, 3139934), (668, 2961315), (711, 2782220), (714, 2770530), (735, 2691372), (765, 2585828), (790, 2503998), (833, 2374740), (835, 2369052), (882, 2242810), (948, 2086665), (980, 2018529), (1002, 1974210), (1020, 1939371), (1071, 1847020), (1106, 1788570), (1169, 1692180), (1185, 1669332), (1190, 1662318), (1260, 1569967), (1343, 1472940), (1422, 1391110), (1428, 1385265), (1470, 1345686), (1503, 1316140), (1530, 1292914), (1580, 1251999), (1659, 1192380), (1666, 1187370), (1670, 1184526), (1764, 1121405), (1785, 1108212), (2004, 987105), (2142, 923510), (2205, 897124), (2212, 894285), (2338, 846090), (2370, 834666), (2380, 831159), (2499, 791580), (2505, 789684), (2686, 736470), (2765, 715428), (2839, 696780), (2844, 695555), (2940, 672843), (3006, 658070), (3060, 646457), (3318, 596190), (3332, 593685), (3340, 592263), (3507, 564060), (3555, 556444), (3570, 554106), (3871, 511020), (4029, 490980), (4165, 474948), (4284, 461755), (4410, 448562), (4676, 423045), (4740, 417333), (4977, 397460), (4998, 395790), (5010, 394842), (5355, 369404), (5372, 368235), (5530, 357714), (5678, 348390), (5845, 338436), (6012, 329035), (6636, 298095), (6715, 294588), (7014, 282030), (7110, 278222), (7140, 277053), (7497, 263860), (7515, 263228), (7742, 255510), (8058, 245490), (8183, 241740), (8295, 238476), (8330, 237474), (8517, 232260), (8820, 224281), (9401, 210420), (9954, 198730), (9996, 197895), (10020, 197421), (10521, 188020), (10710, 184702), (11060, 178857), (11356, 174195), (11613, 170340), (11690, 169218), (12087, 163660), (12495, 158316), (13193, 149940), (13430, 147294), (14028, 141015), (14195, 139356), (14220, 139111), (14994, 131930), (15030, 131614), (15484, 127755), (16116, 122745), (16366, 120870), (16590, 119238), (16660, 118737), (17034, 116130), (17535, 112812), (18802, 105210), (19355, 102204), (19873, 99540), (19908, 99365), (20145, 98196), (21042, 94010), (21420, 92351), (23226, 85170), (23380, 84609), (24174, 81830), (24549, 80580), (24885, 79492), (24990, 79158), (25551, 77420), (26386, 74970), (26860, 73647), (28203, 70140), (28390, 69678), (29988, 65965), (30060, 65807), (32732, 60435), (33180, 59619), (34068, 58065), (34839, 56780), (35070, 56406), (37485, 52772), (37604, 52605), (38710, 51102), (39579, 49980), (39746, 49770), (40290, 49098), (40915, 48348), (42084, 47005), (42585, 46452)]