1335880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 3709440

約数和(自身を除く): 2373560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 367, 455, 520, 728, 734, 910, 1468, 1820, 1835, 2569, 2936, 3640, 3670, 4771, 5138, 7340, 9542, 10276, 12845, 14680, 19084, 20552, 23855, 25690, 33397, 38168, 47710, 51380, 66794, 95420, 102760, 133588, 166985, 190840, 267176, 333970, 667940, 1335880]

約数ペア:

[(1, 1335880), (2, 667940), (4, 333970), (5, 267176), (7, 190840), (8, 166985), (10, 133588), (13, 102760), (14, 95420), (20, 66794), (26, 51380), (28, 47710), (35, 38168), (40, 33397), (52, 25690), (56, 23855), (65, 20552), (70, 19084), (91, 14680), (104, 12845), (130, 10276), (140, 9542), (182, 7340), (260, 5138), (280, 4771), (364, 3670), (367, 3640), (455, 2936), (520, 2569), (728, 1835), (734, 1820), (910, 1468)]