81693570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^3$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 227185920

約数和(自身を除く): 145492350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1533, 2190, 2555, 3066, 5110, 5329, 7665, 10658, 15330, 15987, 26645, 31974, 37303, 53290, 74606, 79935, 111909, 159870, 186515, 223818, 373030, 389017, 559545, 778034, 1119090, 1167051, 1945085, 2334102, 2723119, 3890170, 5446238, 5835255, 8169357, 11670510, 13615595, 16338714, 27231190, 40846785, 81693570]

約数ペア:

[(1, 81693570), (2, 40846785), (3, 27231190), (5, 16338714), (6, 13615595), (7, 11670510), (10, 8169357), (14, 5835255), (15, 5446238), (21, 3890170), (30, 2723119), (35, 2334102), (42, 1945085), (70, 1167051), (73, 1119090), (105, 778034), (146, 559545), (210, 389017), (219, 373030), (365, 223818), (438, 186515), (511, 159870), (730, 111909), (1022, 79935), (1095, 74606), (1533, 53290), (2190, 37303), (2555, 31974), (3066, 26645), (5110, 15987), (5329, 15330), (7665, 10658)]