1382490880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34841}}^1$

素因数の和:34893

約数の個数: 72

約数和(自身を含む): 3418418304

約数和(自身を除く): 2035927424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 34841, 39680, 69682, 139364, 174205, 278728, 348410, 557456, 696820, 1080071, 1114912, 1393640, 2160142, 2229824, 2787280, 4320284, 4459648, 5400355, 5574560, 8640568, 8919296, 10800710, 11149120, 17281136, 21601420, 22298240, 34562272, 43202840, 44596480, 69124544, 86405680, 138249088, 172811360, 276498176, 345622720, 691245440, 1382490880]

約数ペア:

[(1, 1382490880), (2, 691245440), (4, 345622720), (5, 276498176), (8, 172811360), (10, 138249088), (16, 86405680), (20, 69124544), (31, 44596480), (32, 43202840), (40, 34562272), (62, 22298240), (64, 21601420), (80, 17281136), (124, 11149120), (128, 10800710), (155, 8919296), (160, 8640568), (248, 5574560), (256, 5400355), (310, 4459648), (320, 4320284), (496, 2787280), (620, 2229824), (640, 2160142), (992, 1393640), (1240, 1114912), (1280, 1080071), (1984, 696820), (2480, 557456), (3968, 348410), (4960, 278728), (7936, 174205), (9920, 139364), (19840, 69682), (34841, 39680)]