69141520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 184773888

約数和(自身を除く): 115632368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 397, 560, 622, 794, 1244, 1555, 1588, 1985, 2177, 2488, 2779, 3110, 3176, 3970, 4354, 4976, 5558, 6220, 6352, 7940, 8708, 10885, 11116, 12440, 13895, 15880, 17416, 21770, 22232, 24880, 27790, 31760, 34832, 43540, 44464, 55580, 87080, 111160, 123467, 174160, 222320, 246934, 493868, 617335, 864269, 987736, 1234670, 1728538, 1975472, 2469340, 3457076, 4321345, 4938680, 6914152, 8642690, 9877360, 13828304, 17285380, 34570760, 69141520]

約数ペア:

[(1, 69141520), (2, 34570760), (4, 17285380), (5, 13828304), (7, 9877360), (8, 8642690), (10, 6914152), (14, 4938680), (16, 4321345), (20, 3457076), (28, 2469340), (35, 1975472), (40, 1728538), (56, 1234670), (70, 987736), (80, 864269), (112, 617335), (140, 493868), (280, 246934), (311, 222320), (397, 174160), (560, 123467), (622, 111160), (794, 87080), (1244, 55580), (1555, 44464), (1588, 43540), (1985, 34832), (2177, 31760), (2488, 27790), (2779, 24880), (3110, 22232), (3176, 21770), (3970, 17416), (4354, 15880), (4976, 13895), (5558, 12440), (6220, 11116), (6352, 10885), (7940, 8708)]