87760920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 286856640

約数和(自身を除く): 199095720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 101, 104, 120, 130, 156, 195, 202, 260, 303, 312, 390, 404, 505, 520, 557, 606, 780, 808, 1010, 1114, 1212, 1313, 1515, 1560, 1671, 2020, 2228, 2424, 2626, 2785, 3030, 3342, 3939, 4040, 4456, 5252, 5570, 6060, 6565, 6684, 7241, 7878, 8355, 10504, 11140, 12120, 13130, 13368, 14482, 15756, 16710, 19695, 21723, 22280, 26260, 28964, 31512, 33420, 36205, 39390, 43446, 52520, 56257, 57928, 66840, 72410, 78780, 86892, 108615, 112514, 144820, 157560, 168771, 173784, 217230, 225028, 281285, 289640, 337542, 434460, 450056, 562570, 675084, 731341, 843855, 868920, 1125140, 1350168, 1462682, 1687710, 2194023, 2250280, 2925364, 3375420, 3656705, 4388046, 5850728, 6750840, 7313410, 8776092, 10970115, 14626820, 17552184, 21940230, 29253640, 43880460, 87760920]

約数ペア:

[(1, 87760920), (2, 43880460), (3, 29253640), (4, 21940230), (5, 17552184), (6, 14626820), (8, 10970115), (10, 8776092), (12, 7313410), (13, 6750840), (15, 5850728), (20, 4388046), (24, 3656705), (26, 3375420), (30, 2925364), (39, 2250280), (40, 2194023), (52, 1687710), (60, 1462682), (65, 1350168), (78, 1125140), (101, 868920), (104, 843855), (120, 731341), (130, 675084), (156, 562570), (195, 450056), (202, 434460), (260, 337542), (303, 289640), (312, 281285), (390, 225028), (404, 217230), (505, 173784), (520, 168771), (557, 157560), (606, 144820), (780, 112514), (808, 108615), (1010, 86892), (1114, 78780), (1212, 72410), (1313, 66840), (1515, 57928), (1560, 56257), (1671, 52520), (2020, 43446), (2228, 39390), (2424, 36205), (2626, 33420), (2785, 31512), (3030, 28964), (3342, 26260), (3939, 22280), (4040, 21723), (4456, 19695), (5252, 16710), (5570, 15756), (6060, 14482), (6565, 13368), (6684, 13130), (7241, 12120), (7878, 11140), (8355, 10504)]