90275560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 210384720

約数和(自身を除く): 120109160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 181, 185, 296, 337, 362, 370, 674, 724, 740, 905, 1348, 1448, 1480, 1685, 1810, 2696, 3370, 3620, 6697, 6740, 7240, 12469, 13394, 13480, 24938, 26788, 33485, 49876, 53576, 60997, 62345, 66970, 99752, 121994, 124690, 133940, 243988, 249380, 267880, 304985, 487976, 498760, 609970, 1219940, 2256889, 2439880, 4513778, 9027556, 11284445, 18055112, 22568890, 45137780, 90275560]

約数ペア:

[(1, 90275560), (2, 45137780), (4, 22568890), (5, 18055112), (8, 11284445), (10, 9027556), (20, 4513778), (37, 2439880), (40, 2256889), (74, 1219940), (148, 609970), (181, 498760), (185, 487976), (296, 304985), (337, 267880), (362, 249380), (370, 243988), (674, 133940), (724, 124690), (740, 121994), (905, 99752), (1348, 66970), (1448, 62345), (1480, 60997), (1685, 53576), (1810, 49876), (2696, 33485), (3370, 26788), (3620, 24938), (6697, 13480), (6740, 13394), (7240, 12469)]