1292295760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74441}}^1$

素因数の和:74492

約数の個数: 80

約数和(自身を含む): 3544630272

約数和(自身を除く): 2252334512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 74441, 148882, 297764, 372205, 521087, 595528, 744410, 1042174, 1191056, 1488820, 2084348, 2307671, 2605435, 2977640, 4168696, 4615342, 5210870, 5955280, 8337392, 9230684, 10421740, 11538355, 16153697, 18461368, 20843480, 23076710, 32307394, 36922736, 41686960, 46153420, 64614788, 80768485, 92306840, 129229576, 161536970, 184613680, 258459152, 323073940, 646147880, 1292295760]

約数ペア:

[(1, 1292295760), (2, 646147880), (4, 323073940), (5, 258459152), (7, 184613680), (8, 161536970), (10, 129229576), (14, 92306840), (16, 80768485), (20, 64614788), (28, 46153420), (31, 41686960), (35, 36922736), (40, 32307394), (56, 23076710), (62, 20843480), (70, 18461368), (80, 16153697), (112, 11538355), (124, 10421740), (140, 9230684), (155, 8337392), (217, 5955280), (248, 5210870), (280, 4615342), (310, 4168696), (434, 2977640), (496, 2605435), (560, 2307671), (620, 2084348), (868, 1488820), (1085, 1191056), (1240, 1042174), (1736, 744410), (2170, 595528), (2480, 521087), (3472, 372205), (4340, 297764), (8680, 148882), (17360, 74441)]