2585280280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 6549984000

約数和(自身を除く): 3964703720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 379, 407, 419, 440, 740, 758, 814, 838, 1480, 1516, 1628, 1676, 1895, 2035, 2095, 3032, 3256, 3352, 3790, 4070, 4169, 4190, 4609, 7580, 8140, 8338, 8380, 9218, 14023, 15160, 15503, 16280, 16676, 16760, 18436, 20845, 23045, 28046, 31006, 33352, 36872, 41690, 46090, 56092, 62012, 70115, 77515, 83380, 92180, 112184, 124024, 140230, 154253, 155030, 158801, 166760, 170533, 184360, 280460, 308506, 310060, 317602, 341066, 560920, 617012, 620120, 635204, 682132, 771265, 794005, 852665, 1234024, 1270408, 1364264, 1542530, 1588010, 1705330, 1746811, 3085060, 3176020, 3410660, 3493622, 5875637, 6170120, 6352040, 6821320, 6987244, 8734055, 11751274, 13974488, 17468110, 23502548, 29378185, 34936220, 47005096, 58756370, 64632007, 69872440, 117512740, 129264014, 235025480, 258528028, 323160035, 517056056, 646320070, 1292640140, 2585280280]

約数ペア:

[(1, 2585280280), (2, 1292640140), (4, 646320070), (5, 517056056), (8, 323160035), (10, 258528028), (11, 235025480), (20, 129264014), (22, 117512740), (37, 69872440), (40, 64632007), (44, 58756370), (55, 47005096), (74, 34936220), (88, 29378185), (110, 23502548), (148, 17468110), (185, 13974488), (220, 11751274), (296, 8734055), (370, 6987244), (379, 6821320), (407, 6352040), (419, 6170120), (440, 5875637), (740, 3493622), (758, 3410660), (814, 3176020), (838, 3085060), (1480, 1746811), (1516, 1705330), (1628, 1588010), (1676, 1542530), (1895, 1364264), (2035, 1270408), (2095, 1234024), (3032, 852665), (3256, 794005), (3352, 771265), (3790, 682132), (4070, 635204), (4169, 620120), (4190, 617012), (4609, 560920), (7580, 341066), (8140, 317602), (8338, 310060), (8380, 308506), (9218, 280460), (14023, 184360), (15160, 170533), (15503, 166760), (16280, 158801), (16676, 155030), (16760, 154253), (18436, 140230), (20845, 124024), (23045, 112184), (28046, 92180), (31006, 83380), (33352, 77515), (36872, 70115), (41690, 62012), (46090, 56092)]