90719480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 218700000

約数和(自身を除く): 127980520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1499, 1513, 1780, 2998, 3026, 3560, 5996, 6052, 7495, 7565, 11992, 12104, 14990, 15130, 25483, 29980, 30260, 50966, 59960, 60520, 101932, 127415, 133411, 203864, 254830, 266822, 509660, 533644, 667055, 1019320, 1067288, 1334110, 2267987, 2668220, 4535974, 5336440, 9071948, 11339935, 18143896, 22679870, 45359740, 90719480]

約数ペア:

[(1, 90719480), (2, 45359740), (4, 22679870), (5, 18143896), (8, 11339935), (10, 9071948), (17, 5336440), (20, 4535974), (34, 2668220), (40, 2267987), (68, 1334110), (85, 1067288), (89, 1019320), (136, 667055), (170, 533644), (178, 509660), (340, 266822), (356, 254830), (445, 203864), (680, 133411), (712, 127415), (890, 101932), (1499, 60520), (1513, 59960), (1780, 50966), (2998, 30260), (3026, 29980), (3560, 25483), (5996, 15130), (6052, 14990), (7495, 12104), (7565, 11992)]