72883520

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:979

約数の個数: 56

約数和(自身を含む): 174287688

約数和(自身を除く): 101404168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 541, 842, 1082, 1684, 2105, 2164, 2705, 3368, 4210, 4328, 5410, 6736, 8420, 8656, 10820, 13472, 16840, 17312, 21640, 26944, 33680, 34624, 43280, 67360, 86560, 134720, 173120, 227761, 455522, 911044, 1138805, 1822088, 2277610, 3644176, 4555220, 7288352, 9110440, 14576704, 18220880, 36441760, 72883520]

約数ペア:

[(1, 72883520), (2, 36441760), (4, 18220880), (5, 14576704), (8, 9110440), (10, 7288352), (16, 4555220), (20, 3644176), (32, 2277610), (40, 1822088), (64, 1138805), (80, 911044), (160, 455522), (320, 227761), (421, 173120), (541, 134720), (842, 86560), (1082, 67360), (1684, 43280), (2105, 34624), (2164, 33680), (2705, 26944), (3368, 21640), (4210, 17312), (4328, 16840), (5410, 13472), (6736, 10820), (8420, 8656)]