81236889960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{279857}}^1$

素因数の和:279971

約数の個数: 128

約数和(自身を含む): 253887177600

約数和(自身を除く): 172650287640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 59, 60, 82, 118, 120, 123, 164, 177, 205, 236, 246, 295, 328, 354, 410, 472, 492, 590, 615, 708, 820, 885, 984, 1180, 1230, 1416, 1640, 1770, 2360, 2419, 2460, 3540, 4838, 4920, 7080, 7257, 9676, 12095, 14514, 19352, 24190, 29028, 36285, 48380, 58056, 72570, 96760, 145140, 279857, 290280, 559714, 839571, 1119428, 1399285, 1679142, 2238856, 2798570, 3358284, 4197855, 5597140, 6716568, 8395710, 11194280, 11474137, 16511563, 16791420, 22948274, 33023126, 33582840, 34422411, 45896548, 49534689, 57370685, 66046252, 68844822, 82557815, 91793096, 99069378, 114741370, 132092504, 137689644, 165115630, 172112055, 198138756, 229482740, 247673445, 275379288, 330231260, 344224110, 396277512, 458965480, 495346890, 660462520, 676974083, 688448220, 990693780, 1353948166, 1376896440, 1981387560, 2030922249, 2707896332, 3384870415, 4061844498, 5415792664, 6769740830, 8123688996, 10154611245, 13539481660, 16247377992, 20309222490, 27078963320, 40618444980, 81236889960]

約数ペア:

[(1, 81236889960), (2, 40618444980), (3, 27078963320), (4, 20309222490), (5, 16247377992), (6, 13539481660), (8, 10154611245), (10, 8123688996), (12, 6769740830), (15, 5415792664), (20, 4061844498), (24, 3384870415), (30, 2707896332), (40, 2030922249), (41, 1981387560), (59, 1376896440), (60, 1353948166), (82, 990693780), (118, 688448220), (120, 676974083), (123, 660462520), (164, 495346890), (177, 458965480), (205, 396277512), (236, 344224110), (246, 330231260), (295, 275379288), (328, 247673445), (354, 229482740), (410, 198138756), (472, 172112055), (492, 165115630), (590, 137689644), (615, 132092504), (708, 114741370), (820, 99069378), (885, 91793096), (984, 82557815), (1180, 68844822), (1230, 66046252), (1416, 57370685), (1640, 49534689), (1770, 45896548), (2360, 34422411), (2419, 33582840), (2460, 33023126), (3540, 22948274), (4838, 16791420), (4920, 16511563), (7080, 11474137), (7257, 11194280), (9676, 8395710), (12095, 6716568), (14514, 5597140), (19352, 4197855), (24190, 3358284), (29028, 2798570), (36285, 2238856), (48380, 1679142), (58056, 1399285), (72570, 1119428), (96760, 839571), (145140, 559714), (279857, 290280)]