7420160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 21192192

約数和(自身を除く): 13772032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 32, 34, 40, 44, 55, 62, 64, 68, 80, 85, 88, 110, 124, 128, 136, 155, 160, 170, 176, 187, 220, 248, 256, 272, 310, 320, 340, 341, 352, 374, 440, 496, 527, 544, 620, 640, 680, 682, 704, 748, 880, 935, 992, 1054, 1088, 1240, 1280, 1360, 1364, 1408, 1496, 1705, 1760, 1870, 1984, 2108, 2176, 2480, 2635, 2720, 2728, 2816, 2992, 3410, 3520, 3740, 3968, 4216, 4352, 4960, 5270, 5440, 5456, 5797, 5984, 6820, 7040, 7480, 7936, 8432, 9920, 10540, 10880, 10912, 11594, 11968, 13640, 14080, 14960, 16864, 19840, 21080, 21760, 21824, 23188, 23936, 27280, 28985, 29920, 33728, 39680, 42160, 43648, 46376, 47872, 54560, 57970, 59840, 67456, 84320, 87296, 92752, 109120, 115940, 119680, 134912, 168640, 185504, 218240, 231880, 239360, 337280, 371008, 436480, 463760, 674560, 742016, 927520, 1484032, 1855040, 3710080, 7420160]

約数ペア:

[(1, 7420160), (2, 3710080), (4, 1855040), (5, 1484032), (8, 927520), (10, 742016), (11, 674560), (16, 463760), (17, 436480), (20, 371008), (22, 337280), (31, 239360), (32, 231880), (34, 218240), (40, 185504), (44, 168640), (55, 134912), (62, 119680), (64, 115940), (68, 109120), (80, 92752), (85, 87296), (88, 84320), (110, 67456), (124, 59840), (128, 57970), (136, 54560), (155, 47872), (160, 46376), (170, 43648), (176, 42160), (187, 39680), (220, 33728), (248, 29920), (256, 28985), (272, 27280), (310, 23936), (320, 23188), (340, 21824), (341, 21760), (352, 21080), (374, 19840), (440, 16864), (496, 14960), (527, 14080), (544, 13640), (620, 11968), (640, 11594), (680, 10912), (682, 10880), (704, 10540), (748, 9920), (880, 8432), (935, 7936), (992, 7480), (1054, 7040), (1088, 6820), (1240, 5984), (1280, 5797), (1360, 5456), (1364, 5440), (1408, 5270), (1496, 4960), (1705, 4352), (1760, 4216), (1870, 3968), (1984, 3740), (2108, 3520), (2176, 3410), (2480, 2992), (2635, 2816), (2720, 2728)]