164479640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4721}}^1$

素因数の和:4812

約数の個数: 64

約数和(自身を含む): 404580960

約数和(自身を除く): 240101320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 4721, 6968, 8710, 9442, 17420, 18884, 23605, 34840, 37768, 47210, 61373, 94420, 122746, 188840, 245492, 306865, 316307, 490984, 613730, 632614, 1227460, 1265228, 1581535, 2454920, 2530456, 3163070, 4111991, 6326140, 8223982, 12652280, 16447964, 20559955, 32895928, 41119910, 82239820, 164479640]

約数ペア:

[(1, 164479640), (2, 82239820), (4, 41119910), (5, 32895928), (8, 20559955), (10, 16447964), (13, 12652280), (20, 8223982), (26, 6326140), (40, 4111991), (52, 3163070), (65, 2530456), (67, 2454920), (104, 1581535), (130, 1265228), (134, 1227460), (260, 632614), (268, 613730), (335, 490984), (520, 316307), (536, 306865), (670, 245492), (871, 188840), (1340, 122746), (1742, 94420), (2680, 61373), (3484, 47210), (4355, 37768), (4721, 34840), (6968, 23605), (8710, 18884), (9442, 17420)]