72670240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26717}}^1$

素因数の和:26749

約数の個数: 48

約数和(自身を含む): 181789272

約数和(自身を除く): 109119032

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, 26717, 53434, 106868, 133585, 213736, 267170, 427472, 454189, 534340, 854944, 908378, 1068680, 1816756, 2137360, 2270945, 3633512, 4274720, 4541890, 7267024, 9083780, 14534048, 18167560, 36335120, 72670240]

約数ペア:

[(1, 72670240), (2, 36335120), (4, 18167560), (5, 14534048), (8, 9083780), (10, 7267024), (16, 4541890), (17, 4274720), (20, 3633512), (32, 2270945), (34, 2137360), (40, 1816756), (68, 1068680), (80, 908378), (85, 854944), (136, 534340), (160, 454189), (170, 427472), (272, 267170), (340, 213736), (544, 133585), (680, 106868), (1360, 53434), (2720, 26717)]