977885840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1800

約数の個数: 80

約数和(自身を含む): 2328600960

約数和(自身を除く): 1350715120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 142, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1136, 1420, 1609, 1712, 2140, 2840, 3218, 4280, 5680, 6436, 7597, 8045, 8560, 12872, 15194, 16090, 25744, 30388, 32180, 37985, 60776, 64360, 75970, 114239, 121552, 128720, 151940, 172163, 228478, 303880, 344326, 456956, 571195, 607760, 688652, 860815, 913912, 1142390, 1377304, 1721630, 1827824, 2284780, 2754608, 3443260, 4569560, 6886520, 9139120, 12223573, 13773040, 24447146, 48894292, 61117865, 97788584, 122235730, 195577168, 244471460, 488942920, 977885840]

約数ペア:

[(1, 977885840), (2, 488942920), (4, 244471460), (5, 195577168), (8, 122235730), (10, 97788584), (16, 61117865), (20, 48894292), (40, 24447146), (71, 13773040), (80, 12223573), (107, 9139120), (142, 6886520), (214, 4569560), (284, 3443260), (355, 2754608), (428, 2284780), (535, 1827824), (568, 1721630), (710, 1377304), (856, 1142390), (1070, 913912), (1136, 860815), (1420, 688652), (1609, 607760), (1712, 571195), (2140, 456956), (2840, 344326), (3218, 303880), (4280, 228478), (5680, 172163), (6436, 151940), (7597, 128720), (8045, 121552), (8560, 114239), (12872, 75970), (15194, 64360), (16090, 60776), (25744, 37985), (30388, 32180)]