121581960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 390510720

約数和(自身を除く): 268928760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 107, 120, 136, 170, 204, 214, 255, 321, 340, 408, 428, 510, 535, 557, 642, 680, 856, 1020, 1070, 1114, 1284, 1605, 1671, 1819, 2040, 2140, 2228, 2568, 2785, 3210, 3342, 3638, 4280, 4456, 5457, 5570, 6420, 6684, 7276, 8355, 9095, 9469, 10914, 11140, 12840, 13368, 14552, 16710, 18190, 18938, 21828, 22280, 27285, 28407, 33420, 36380, 37876, 43656, 47345, 54570, 56814, 59599, 66840, 72760, 75752, 94690, 109140, 113628, 119198, 142035, 178797, 189380, 218280, 227256, 238396, 284070, 297995, 357594, 378760, 476792, 568140, 595990, 715188, 893985, 1013183, 1136280, 1191980, 1430376, 1787970, 2026366, 2383960, 3039549, 3575940, 4052732, 5065915, 6079098, 7151880, 8105464, 10131830, 12158196, 15197745, 20263660, 24316392, 30395490, 40527320, 60790980, 121581960]

約数ペア:

[(1, 121581960), (2, 60790980), (3, 40527320), (4, 30395490), (5, 24316392), (6, 20263660), (8, 15197745), (10, 12158196), (12, 10131830), (15, 8105464), (17, 7151880), (20, 6079098), (24, 5065915), (30, 4052732), (34, 3575940), (40, 3039549), (51, 2383960), (60, 2026366), (68, 1787970), (85, 1430376), (102, 1191980), (107, 1136280), (120, 1013183), (136, 893985), (170, 715188), (204, 595990), (214, 568140), (255, 476792), (321, 378760), (340, 357594), (408, 297995), (428, 284070), (510, 238396), (535, 227256), (557, 218280), (642, 189380), (680, 178797), (856, 142035), (1020, 119198), (1070, 113628), (1114, 109140), (1284, 94690), (1605, 75752), (1671, 72760), (1819, 66840), (2040, 59599), (2140, 56814), (2228, 54570), (2568, 47345), (2785, 43656), (3210, 37876), (3342, 36380), (3638, 33420), (4280, 28407), (4456, 27285), (5457, 22280), (5570, 21828), (6420, 18938), (6684, 18190), (7276, 16710), (8355, 14552), (9095, 13368), (9469, 12840), (10914, 11140)]