161622580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 399778848

約数和(自身を除く): 238156268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 1987, 2324, 2905, 3974, 4067, 5810, 7948, 8134, 9935, 11620, 13909, 16268, 19870, 20335, 27818, 39740, 40670, 55636, 69545, 81340, 97363, 139090, 164921, 194726, 278180, 329842, 389452, 486815, 659684, 824605, 973630, 1154447, 1649210, 1947260, 2308894, 3298420, 4617788, 5772235, 8081129, 11544470, 16162258, 23088940, 32324516, 40405645, 80811290, 161622580]

約数ペア:

[(1, 161622580), (2, 80811290), (4, 40405645), (5, 32324516), (7, 23088940), (10, 16162258), (14, 11544470), (20, 8081129), (28, 5772235), (35, 4617788), (49, 3298420), (70, 2308894), (83, 1947260), (98, 1649210), (140, 1154447), (166, 973630), (196, 824605), (245, 659684), (332, 486815), (415, 389452), (490, 329842), (581, 278180), (830, 194726), (980, 164921), (1162, 139090), (1660, 97363), (1987, 81340), (2324, 69545), (2905, 55636), (3974, 40670), (4067, 39740), (5810, 27818), (7948, 20335), (8134, 19870), (9935, 16268), (11620, 13909)]