90047440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1423}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 241555968

約数和(自身を除く): 151508528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1423, 1582, 1808, 2260, 2846, 3164, 3955, 4520, 5692, 6328, 7115, 7910, 9040, 9961, 11384, 12656, 14230, 15820, 19922, 22768, 28460, 31640, 39844, 49805, 56920, 63280, 79688, 99610, 113840, 159376, 160799, 199220, 321598, 398440, 643196, 796880, 803995, 1125593, 1286392, 1607990, 2251186, 2572784, 3215980, 4502372, 5627965, 6431960, 9004744, 11255930, 12863920, 18009488, 22511860, 45023720, 90047440]

約数ペア:

[(1, 90047440), (2, 45023720), (4, 22511860), (5, 18009488), (7, 12863920), (8, 11255930), (10, 9004744), (14, 6431960), (16, 5627965), (20, 4502372), (28, 3215980), (35, 2572784), (40, 2251186), (56, 1607990), (70, 1286392), (80, 1125593), (112, 803995), (113, 796880), (140, 643196), (226, 398440), (280, 321598), (452, 199220), (560, 160799), (565, 159376), (791, 113840), (904, 99610), (1130, 79688), (1423, 63280), (1582, 56920), (1808, 49805), (2260, 39844), (2846, 31640), (3164, 28460), (3955, 22768), (4520, 19922), (5692, 15820), (6328, 14230), (7115, 12656), (7910, 11384), (9040, 9961)]