1638356880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{11831}}^1$

素因数の和:12424

約数の個数: 80

約数和(自身を含む): 5088138624

約数和(自身を除く): 3449781744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 577, 1154, 1731, 2308, 2885, 3462, 4616, 5770, 6924, 8655, 9232, 11540, 11831, 13848, 17310, 23080, 23662, 27696, 34620, 35493, 46160, 47324, 59155, 69240, 70986, 94648, 118310, 138480, 141972, 177465, 189296, 236620, 283944, 354930, 473240, 567888, 709860, 946480, 1419720, 2839440, 6826487, 13652974, 20479461, 27305948, 34132435, 40958922, 54611896, 68264870, 81917844, 102397305, 109223792, 136529740, 163835688, 204794610, 273059480, 327671376, 409589220, 546118960, 819178440, 1638356880]

約数ペア:

[(1, 1638356880), (2, 819178440), (3, 546118960), (4, 409589220), (5, 327671376), (6, 273059480), (8, 204794610), (10, 163835688), (12, 136529740), (15, 109223792), (16, 102397305), (20, 81917844), (24, 68264870), (30, 54611896), (40, 40958922), (48, 34132435), (60, 27305948), (80, 20479461), (120, 13652974), (240, 6826487), (577, 2839440), (1154, 1419720), (1731, 946480), (2308, 709860), (2885, 567888), (3462, 473240), (4616, 354930), (5770, 283944), (6924, 236620), (8655, 189296), (9232, 177465), (11540, 141972), (11831, 138480), (13848, 118310), (17310, 94648), (23080, 70986), (23662, 69240), (27696, 59155), (34620, 47324), (35493, 46160)]