215993340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5381}}^1$

素因数の和:5619

約数の個数: 72

約数和(自身を含む): 658240128

約数和(自身を除く): 442246788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 5381, 6690, 8028, 10035, 10762, 13380, 16143, 20070, 21524, 26905, 32286, 40140, 48429, 53810, 64572, 80715, 96858, 107620, 161430, 193716, 242145, 322860, 484290, 968580, 1199963, 2399926, 3599889, 4799852, 5999815, 7199778, 10799667, 11999630, 14399556, 17999445, 21599334, 23999260, 35998890, 43198668, 53998335, 71997780, 107996670, 215993340]

約数ペア:

[(1, 215993340), (2, 107996670), (3, 71997780), (4, 53998335), (5, 43198668), (6, 35998890), (9, 23999260), (10, 21599334), (12, 17999445), (15, 14399556), (18, 11999630), (20, 10799667), (30, 7199778), (36, 5999815), (45, 4799852), (60, 3599889), (90, 2399926), (180, 1199963), (223, 968580), (446, 484290), (669, 322860), (892, 242145), (1115, 193716), (1338, 161430), (2007, 107620), (2230, 96858), (2676, 80715), (3345, 64572), (4014, 53810), (4460, 48429), (5381, 40140), (6690, 32286), (8028, 26905), (10035, 21524), (10762, 20070), (13380, 16143)]