19728719640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51169}}^1$

素因数の和:51216

約数の個数: 320

約数和(自身を含む): 80242747200

約数和(自身を除く): 60514027560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 162, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 324, 340, 357, 360, 378, 405, 408, 420, 459, 476, 504, 510, 540, 567, 595, 612, 630, 648, 680, 714, 756, 765, 810, 840, 918, 945, 952, 1020, 1071, 1080, 1134, 1190, 1224, 1260, 1377, 1428, 1512, 1530, 1620, 1785, 1836, 1890, 2040, 2142, 2268, 2295, 2380, 2520, 2754, 2835, 2856, 3060, 3213, 3240, 3570, 3672, 3780, 4284, 4536, 4590, 4760, 5355, 5508, 5670, 6120, 6426, 6885, 7140, 7560, 8568, 9180, 9639, 10710, 11016, 11340, 12852, 13770, 14280, 16065, 18360, 19278, 21420, 22680, 25704, 27540, 32130, 38556, 42840, 48195, 51169, 55080, 64260, 77112, 96390, 102338, 128520, 153507, 192780, 204676, 255845, 307014, 358183, 385560, 409352, 460521, 511690, 614028, 716366, 767535, 869873, 921042, 1023380, 1074549, 1228056, 1381563, 1432732, 1535070, 1739746, 1790915, 1842084, 2046760, 2149098, 2302605, 2609619, 2763126, 2865464, 3070140, 3223647, 3479492, 3581830, 3684168, 4144689, 4298196, 4349365, 4605210, 5219238, 5372745, 5526252, 6089111, 6140280, 6447294, 6907815, 6958984, 7163660, 7828857, 8289378, 8596392, 8698730, 9210420, 9670941, 10438476, 10745490, 11052504, 12178222, 12894588, 13048095, 13815630, 14327320, 15657714, 16118235, 16578756, 17397460, 18267333, 18420840, 19341882, 20723445, 20876952, 21490980, 23486571, 24356444, 25789176, 26096190, 27631260, 29012823, 30445555, 31315428, 32236470, 33157512, 34794920, 36534666, 38683764, 39144285, 41446890, 42981960, 46973142, 48354705, 48712888, 52192380, 54801999, 55262520, 58025646, 60891110, 62630856, 64472940, 70459713, 73069332, 77367528, 78288570, 82893780, 91336665, 93946284, 96709410, 104384760, 109603998, 116051292, 117432855, 121782220, 128945880, 140919426, 145064115, 146138664, 156577140, 164405997, 165787560, 182673330, 187892568, 193418820, 219207996, 232102584, 234865710, 243564440, 274009995, 281838852, 290128230, 313154280, 328811994, 352298565, 365346660, 386837640, 438415992, 469731420, 493217991, 548019990, 563677704, 580256460, 657623988, 704597130, 730693320, 822029985, 939462840, 986435982, 1096039980, 1160512920, 1315247976, 1409194260, 1644059970, 1972871964, 2192079960, 2466089955, 2818388520, 3288119940, 3945743928, 4932179910, 6576239880, 9864359820, 19728719640]

約数ペア:

[(1, 19728719640), (2, 9864359820), (3, 6576239880), (4, 4932179910), (5, 3945743928), (6, 3288119940), (7, 2818388520), (8, 2466089955), (9, 2192079960), (10, 1972871964), (12, 1644059970), (14, 1409194260), (15, 1315247976), (17, 1160512920), (18, 1096039980), (20, 986435982), (21, 939462840), (24, 822029985), (27, 730693320), (28, 704597130), (30, 657623988), (34, 580256460), (35, 563677704), (36, 548019990), (40, 493217991), (42, 469731420), (45, 438415992), (51, 386837640), (54, 365346660), (56, 352298565), (60, 328811994), (63, 313154280), (68, 290128230), (70, 281838852), (72, 274009995), (81, 243564440), (84, 234865710), (85, 232102584), (90, 219207996), (102, 193418820), (105, 187892568), (108, 182673330), (119, 165787560), (120, 164405997), (126, 156577140), (135, 146138664), (136, 145064115), (140, 140919426), (153, 128945880), (162, 121782220), (168, 117432855), (170, 116051292), (180, 109603998), (189, 104384760), (204, 96709410), (210, 93946284), (216, 91336665), (238, 82893780), (252, 78288570), (255, 77367528), (270, 73069332), (280, 70459713), (306, 64472940), (315, 62630856), (324, 60891110), (340, 58025646), (357, 55262520), (360, 54801999), (378, 52192380), (405, 48712888), (408, 48354705), (420, 46973142), (459, 42981960), (476, 41446890), (504, 39144285), (510, 38683764), (540, 36534666), (567, 34794920), (595, 33157512), (612, 32236470), (630, 31315428), (648, 30445555), (680, 29012823), (714, 27631260), (756, 26096190), (765, 25789176), (810, 24356444), (840, 23486571), (918, 21490980), (945, 20876952), (952, 20723445), (1020, 19341882), (1071, 18420840), (1080, 18267333), (1134, 17397460), (1190, 16578756), (1224, 16118235), (1260, 15657714), (1377, 14327320), (1428, 13815630), (1512, 13048095), (1530, 12894588), (1620, 12178222), (1785, 11052504), (1836, 10745490), (1890, 10438476), (2040, 9670941), (2142, 9210420), (2268, 8698730), (2295, 8596392), (2380, 8289378), (2520, 7828857), (2754, 7163660), (2835, 6958984), (2856, 6907815), (3060, 6447294), (3213, 6140280), (3240, 6089111), (3570, 5526252), (3672, 5372745), (3780, 5219238), (4284, 4605210), (4536, 4349365), (4590, 4298196), (4760, 4144689), (5355, 3684168), (5508, 3581830), (5670, 3479492), (6120, 3223647), (6426, 3070140), (6885, 2865464), (7140, 2763126), (7560, 2609619), (8568, 2302605), (9180, 2149098), (9639, 2046760), (10710, 1842084), (11016, 1790915), (11340, 1739746), (12852, 1535070), (13770, 1432732), (14280, 1381563), (16065, 1228056), (18360, 1074549), (19278, 1023380), (21420, 921042), (22680, 869873), (25704, 767535), (27540, 716366), (32130, 614028), (38556, 511690), (42840, 460521), (48195, 409352), (51169, 385560), (55080, 358183), (64260, 307014), (77112, 255845), (96390, 204676), (102338, 192780), (128520, 153507)]