30961760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11383}}^1$

素因数の和:11415

約数の個数: 48

約数和(自身を含む): 77456736

約数和(自身を除く): 46494976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11383, 22766, 45532, 56915, 91064, 113830, 182128, 193511, 227660, 364256, 387022, 455320, 774044, 910640, 967555, 1548088, 1821280, 1935110, 3096176, 3870220, 6192352, 7740440, 15480880, 30961760]

約数ペア:

[(1, 30961760), (2, 15480880), (4, 7740440), (5, 6192352), (8, 3870220), (10, 3096176), (16, 1935110), (17, 1821280), (20, 1548088), (32, 967555), (34, 910640), (40, 774044), (68, 455320), (80, 387022), (85, 364256), (136, 227660), (160, 193511), (170, 182128), (272, 113830), (340, 91064), (544, 56915), (680, 45532), (1360, 22766), (2720, 11383)]