15775420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 34927200

約数和(自身を除く): 19151780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 461, 580, 590, 922, 1180, 1711, 1844, 2305, 3422, 4610, 6844, 8555, 9220, 13369, 17110, 26738, 27199, 34220, 53476, 54398, 66845, 108796, 133690, 135995, 267380, 271990, 543980, 788771, 1577542, 3155084, 3943855, 7887710, 15775420]

約数ペア:

[(1, 15775420), (2, 7887710), (4, 3943855), (5, 3155084), (10, 1577542), (20, 788771), (29, 543980), (58, 271990), (59, 267380), (116, 135995), (118, 133690), (145, 108796), (236, 66845), (290, 54398), (295, 53476), (461, 34220), (580, 27199), (590, 26738), (922, 17110), (1180, 13369), (1711, 9220), (1844, 8555), (2305, 6844), (3422, 4610)]