2551981560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:378

約数の個数: 256

約数和(自身を含む): 8281128960

約数和(自身を除く): 5729147400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 103, 115, 120, 138, 141, 184, 188, 191, 206, 230, 235, 276, 282, 309, 345, 376, 382, 412, 460, 470, 515, 552, 564, 573, 618, 690, 705, 764, 824, 920, 940, 955, 1030, 1081, 1128, 1146, 1236, 1380, 1410, 1528, 1545, 1880, 1910, 2060, 2162, 2292, 2369, 2472, 2760, 2820, 2865, 3090, 3243, 3820, 4120, 4324, 4393, 4584, 4738, 4841, 5405, 5640, 5730, 6180, 6486, 7107, 7640, 8648, 8786, 8977, 9476, 9682, 10810, 11460, 11845, 12360, 12972, 13179, 14214, 14523, 16215, 17572, 17954, 18952, 19364, 19673, 21620, 21965, 22920, 23690, 24205, 25944, 26358, 26931, 28428, 29046, 32430, 35144, 35535, 35908, 38728, 39346, 43240, 43930, 44885, 47380, 48410, 52716, 53862, 56856, 58092, 59019, 64860, 65895, 71070, 71816, 72615, 78692, 87860, 89770, 94760, 96820, 98365, 105432, 107724, 111343, 116184, 118038, 129720, 131790, 134655, 142140, 145230, 157384, 175720, 179540, 193640, 196730, 206471, 215448, 222686, 236076, 263580, 269310, 284280, 290460, 295095, 334029, 359080, 393460, 412942, 445372, 452479, 472152, 527160, 538620, 556715, 580920, 590190, 619413, 668058, 786920, 825884, 890744, 904958, 924631, 1032355, 1077240, 1113430, 1180380, 1238826, 1336116, 1357437, 1651768, 1670145, 1809916, 1849262, 2064710, 2226860, 2262395, 2360760, 2477652, 2672232, 2714874, 2773893, 3097065, 3340290, 3619832, 3698524, 4129420, 4453720, 4524790, 4623155, 4955304, 5429748, 5547786, 6194130, 6680580, 6787185, 7397048, 8258840, 9049580, 9246310, 10859496, 11095572, 12388260, 13361160, 13574370, 13869465, 18099160, 18492620, 21266513, 22191144, 24776520, 27148740, 27738930, 36985240, 42533026, 54297480, 55477860, 63799539, 85066052, 106332565, 110955720, 127599078, 170132104, 212665130, 255198156, 318997695, 425330260, 510396312, 637995390, 850660520, 1275990780, 2551981560]

約数ペア:

[(1, 2551981560), (2, 1275990780), (3, 850660520), (4, 637995390), (5, 510396312), (6, 425330260), (8, 318997695), (10, 255198156), (12, 212665130), (15, 170132104), (20, 127599078), (23, 110955720), (24, 106332565), (30, 85066052), (40, 63799539), (46, 55477860), (47, 54297480), (60, 42533026), (69, 36985240), (92, 27738930), (94, 27148740), (103, 24776520), (115, 22191144), (120, 21266513), (138, 18492620), (141, 18099160), (184, 13869465), (188, 13574370), (191, 13361160), (206, 12388260), (230, 11095572), (235, 10859496), (276, 9246310), (282, 9049580), (309, 8258840), (345, 7397048), (376, 6787185), (382, 6680580), (412, 6194130), (460, 5547786), (470, 5429748), (515, 4955304), (552, 4623155), (564, 4524790), (573, 4453720), (618, 4129420), (690, 3698524), (705, 3619832), (764, 3340290), (824, 3097065), (920, 2773893), (940, 2714874), (955, 2672232), (1030, 2477652), (1081, 2360760), (1128, 2262395), (1146, 2226860), (1236, 2064710), (1380, 1849262), (1410, 1809916), (1528, 1670145), (1545, 1651768), (1880, 1357437), (1910, 1336116), (2060, 1238826), (2162, 1180380), (2292, 1113430), (2369, 1077240), (2472, 1032355), (2760, 924631), (2820, 904958), (2865, 890744), (3090, 825884), (3243, 786920), (3820, 668058), (4120, 619413), (4324, 590190), (4393, 580920), (4584, 556715), (4738, 538620), (4841, 527160), (5405, 472152), (5640, 452479), (5730, 445372), (6180, 412942), (6486, 393460), (7107, 359080), (7640, 334029), (8648, 295095), (8786, 290460), (8977, 284280), (9476, 269310), (9682, 263580), (10810, 236076), (11460, 222686), (11845, 215448), (12360, 206471), (12972, 196730), (13179, 193640), (14214, 179540), (14523, 175720), (16215, 157384), (17572, 145230), (17954, 142140), (18952, 134655), (19364, 131790), (19673, 129720), (21620, 118038), (21965, 116184), (22920, 111343), (23690, 107724), (24205, 105432), (25944, 98365), (26358, 96820), (26931, 94760), (28428, 89770), (29046, 87860), (32430, 78692), (35144, 72615), (35535, 71816), (35908, 71070), (38728, 65895), (39346, 64860), (43240, 59019), (43930, 58092), (44885, 56856), (47380, 53862), (48410, 52716)]