131997720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3583}}^1$

素因数の和:3904

約数の個数: 64

約数和(自身を含む): 397393920

約数和(自身を除く): 265396200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 921, 1228, 1535, 1842, 2456, 3070, 3583, 3684, 4605, 6140, 7166, 7368, 9210, 10749, 12280, 14332, 17915, 18420, 21498, 28664, 35830, 36840, 42996, 53745, 71660, 85992, 107490, 143320, 214980, 429960, 1099981, 2199962, 3299943, 4399924, 5499905, 6599886, 8799848, 10999810, 13199772, 16499715, 21999620, 26399544, 32999430, 43999240, 65998860, 131997720]

約数ペア:

[(1, 131997720), (2, 65998860), (3, 43999240), (4, 32999430), (5, 26399544), (6, 21999620), (8, 16499715), (10, 13199772), (12, 10999810), (15, 8799848), (20, 6599886), (24, 5499905), (30, 4399924), (40, 3299943), (60, 2199962), (120, 1099981), (307, 429960), (614, 214980), (921, 143320), (1228, 107490), (1535, 85992), (1842, 71660), (2456, 53745), (3070, 42996), (3583, 36840), (3684, 35830), (4605, 28664), (6140, 21498), (7166, 18420), (7368, 17915), (9210, 14332), (10749, 12280)]