154559920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113647}}^1$

素因数の和:113677

約数の個数: 40

約数和(自身を含む): 380493504

約数和(自身を除く): 225933584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 113647, 227294, 454588, 568235, 909176, 1136470, 1818352, 1931999, 2272940, 3863998, 4545880, 7727996, 9091760, 9659995, 15455992, 19319990, 30911984, 38639980, 77279960, 154559920]

約数ペア:

[(1, 154559920), (2, 77279960), (4, 38639980), (5, 30911984), (8, 19319990), (10, 15455992), (16, 9659995), (17, 9091760), (20, 7727996), (34, 4545880), (40, 3863998), (68, 2272940), (80, 1931999), (85, 1818352), (136, 1136470), (170, 909176), (272, 568235), (340, 454588), (680, 227294), (1360, 113647)]