7905299120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{2953}}^1$

素因数の和:3382

約数の個数: 80

約数和(自身を含む): 18615162720

約数和(自身を除く): 10709863600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 307, 436, 545, 614, 872, 1090, 1228, 1535, 1744, 2180, 2456, 2953, 3070, 4360, 4912, 5906, 6140, 8720, 11812, 12280, 14765, 23624, 24560, 29530, 33463, 47248, 59060, 66926, 118120, 133852, 167315, 236240, 267704, 321877, 334630, 535408, 643754, 669260, 906571, 1287508, 1338520, 1609385, 1813142, 2575016, 2677040, 3218770, 3626284, 4532855, 5150032, 6437540, 7252568, 9065710, 12875080, 14505136, 18131420, 25750160, 36262840, 72525680, 98816239, 197632478, 395264956, 494081195, 790529912, 988162390, 1581059824, 1976324780, 3952649560, 7905299120]

約数ペア:

[(1, 7905299120), (2, 3952649560), (4, 1976324780), (5, 1581059824), (8, 988162390), (10, 790529912), (16, 494081195), (20, 395264956), (40, 197632478), (80, 98816239), (109, 72525680), (218, 36262840), (307, 25750160), (436, 18131420), (545, 14505136), (614, 12875080), (872, 9065710), (1090, 7252568), (1228, 6437540), (1535, 5150032), (1744, 4532855), (2180, 3626284), (2456, 3218770), (2953, 2677040), (3070, 2575016), (4360, 1813142), (4912, 1609385), (5906, 1338520), (6140, 1287508), (8720, 906571), (11812, 669260), (12280, 643754), (14765, 535408), (23624, 334630), (24560, 321877), (29530, 267704), (33463, 236240), (47248, 167315), (59060, 133852), (66926, 118120)]