520065680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 1240835760

約数和(自身を除く): 720770080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 173, 212, 265, 346, 424, 530, 692, 709, 848, 865, 1060, 1384, 1418, 1730, 2120, 2768, 2836, 3460, 3545, 4240, 5672, 6920, 7090, 9169, 11344, 13840, 14180, 18338, 28360, 36676, 37577, 45845, 56720, 73352, 75154, 91690, 122657, 146704, 150308, 183380, 187885, 245314, 300616, 366760, 375770, 490628, 601232, 613285, 733520, 751540, 981256, 1226570, 1503080, 1962512, 2453140, 3006160, 4906280, 6500821, 9812560, 13001642, 26003284, 32504105, 52006568, 65008210, 104013136, 130016420, 260032840, 520065680]

約数ペア:

[(1, 520065680), (2, 260032840), (4, 130016420), (5, 104013136), (8, 65008210), (10, 52006568), (16, 32504105), (20, 26003284), (40, 13001642), (53, 9812560), (80, 6500821), (106, 4906280), (173, 3006160), (212, 2453140), (265, 1962512), (346, 1503080), (424, 1226570), (530, 981256), (692, 751540), (709, 733520), (848, 613285), (865, 601232), (1060, 490628), (1384, 375770), (1418, 366760), (1730, 300616), (2120, 245314), (2768, 187885), (2836, 183380), (3460, 150308), (3545, 146704), (4240, 122657), (5672, 91690), (6920, 75154), (7090, 73352), (9169, 56720), (11344, 45845), (13840, 37577), (14180, 36676), (18338, 28360)]