90797720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{617}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 221145120

約数和(自身を除く): 130347400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 283, 520, 566, 617, 1132, 1234, 1415, 2264, 2468, 2830, 3085, 3679, 4936, 5660, 6170, 7358, 8021, 11320, 12340, 14716, 16042, 18395, 24680, 29432, 32084, 36790, 40105, 64168, 73580, 80210, 147160, 160420, 174611, 320840, 349222, 698444, 873055, 1396888, 1746110, 2269943, 3492220, 4539886, 6984440, 9079772, 11349715, 18159544, 22699430, 45398860, 90797720]

約数ペア:

[(1, 90797720), (2, 45398860), (4, 22699430), (5, 18159544), (8, 11349715), (10, 9079772), (13, 6984440), (20, 4539886), (26, 3492220), (40, 2269943), (52, 1746110), (65, 1396888), (104, 873055), (130, 698444), (260, 349222), (283, 320840), (520, 174611), (566, 160420), (617, 147160), (1132, 80210), (1234, 73580), (1415, 64168), (2264, 40105), (2468, 36790), (2830, 32084), (3085, 29432), (3679, 24680), (4936, 18395), (5660, 16042), (6170, 14716), (7358, 12340), (8021, 11320)]