248977120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 710664192

約数和(自身を除く): 461687072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 71, 80, 101, 112, 124, 140, 142, 155, 160, 202, 217, 224, 248, 280, 284, 310, 355, 404, 434, 496, 497, 505, 560, 568, 620, 707, 710, 808, 868, 992, 994, 1010, 1085, 1120, 1136, 1240, 1414, 1420, 1616, 1736, 1988, 2020, 2170, 2201, 2272, 2480, 2485, 2828, 2840, 3131, 3232, 3472, 3535, 3976, 4040, 4340, 4402, 4960, 4970, 5656, 5680, 6262, 6944, 7070, 7171, 7952, 8080, 8680, 8804, 9940, 11005, 11312, 11360, 12524, 14140, 14342, 15407, 15655, 15904, 16160, 17360, 17608, 19880, 21917, 22010, 22624, 25048, 28280, 28684, 30814, 31310, 34720, 35216, 35855, 39760, 43834, 44020, 50096, 50197, 56560, 57368, 61628, 62620, 70432, 71710, 77035, 79520, 87668, 88040, 100192, 100394, 109585, 113120, 114736, 123256, 125240, 143420, 154070, 175336, 176080, 200788, 219170, 222301, 229472, 246512, 250480, 250985, 286840, 308140, 350672, 352160, 401576, 438340, 444602, 493024, 500960, 501970, 573680, 616280, 701344, 803152, 876680, 889204, 1003940, 1111505, 1147360, 1232560, 1556107, 1606304, 1753360, 1778408, 2007880, 2223010, 2465120, 3112214, 3506720, 3556816, 4015760, 4446020, 6224428, 7113632, 7780535, 8031520, 8892040, 12448856, 15561070, 17784080, 24897712, 31122140, 35568160, 49795424, 62244280, 124488560, 248977120]

約数ペア:

[(1, 248977120), (2, 124488560), (4, 62244280), (5, 49795424), (7, 35568160), (8, 31122140), (10, 24897712), (14, 17784080), (16, 15561070), (20, 12448856), (28, 8892040), (31, 8031520), (32, 7780535), (35, 7113632), (40, 6224428), (56, 4446020), (62, 4015760), (70, 3556816), (71, 3506720), (80, 3112214), (101, 2465120), (112, 2223010), (124, 2007880), (140, 1778408), (142, 1753360), (155, 1606304), (160, 1556107), (202, 1232560), (217, 1147360), (224, 1111505), (248, 1003940), (280, 889204), (284, 876680), (310, 803152), (355, 701344), (404, 616280), (434, 573680), (496, 501970), (497, 500960), (505, 493024), (560, 444602), (568, 438340), (620, 401576), (707, 352160), (710, 350672), (808, 308140), (868, 286840), (992, 250985), (994, 250480), (1010, 246512), (1085, 229472), (1120, 222301), (1136, 219170), (1240, 200788), (1414, 176080), (1420, 175336), (1616, 154070), (1736, 143420), (1988, 125240), (2020, 123256), (2170, 114736), (2201, 113120), (2272, 109585), (2480, 100394), (2485, 100192), (2828, 88040), (2840, 87668), (3131, 79520), (3232, 77035), (3472, 71710), (3535, 70432), (3976, 62620), (4040, 61628), (4340, 57368), (4402, 56560), (4960, 50197), (4970, 50096), (5656, 44020), (5680, 43834), (6262, 39760), (6944, 35855), (7070, 35216), (7171, 34720), (7952, 31310), (8080, 30814), (8680, 28684), (8804, 28280), (9940, 25048), (11005, 22624), (11312, 22010), (11360, 21917), (12524, 19880), (14140, 17608), (14342, 17360), (15407, 16160), (15655, 15904)]