71319760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^2$

素因数の和:488

約数の個数: 60

約数和(自身を含む): 176342508

約数和(自身を除く): 105022748

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 229, 272, 340, 458, 680, 916, 1145, 1360, 1832, 2290, 3664, 3893, 4580, 7786, 9160, 15572, 18320, 19465, 31144, 38930, 52441, 62288, 77860, 104882, 155720, 209764, 262205, 311440, 419528, 524410, 839056, 891497, 1048820, 1782994, 2097640, 3565988, 4195280, 4457485, 7131976, 8914970, 14263952, 17829940, 35659880, 71319760]

約数ペア:

[(1, 71319760), (2, 35659880), (4, 17829940), (5, 14263952), (8, 8914970), (10, 7131976), (16, 4457485), (17, 4195280), (20, 3565988), (34, 2097640), (40, 1782994), (68, 1048820), (80, 891497), (85, 839056), (136, 524410), (170, 419528), (229, 311440), (272, 262205), (340, 209764), (458, 155720), (680, 104882), (916, 77860), (1145, 62288), (1360, 52441), (1832, 38930), (2290, 31144), (3664, 19465), (3893, 18320), (4580, 15572), (7786, 9160)]