215858340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3623}}^1$

素因数の和:3969

約数の個数: 72

約数和(自身を含む): 656929728

約数和(自身を除く): 441071388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3623, 3972, 4965, 5958, 6620, 7246, 9930, 10869, 11916, 14492, 14895, 18115, 19860, 21738, 29790, 32607, 36230, 43476, 54345, 59580, 65214, 72460, 108690, 130428, 163035, 217380, 326070, 652140, 1199213, 2398426, 3597639, 4796852, 5996065, 7195278, 10792917, 11992130, 14390556, 17988195, 21585834, 23984260, 35976390, 43171668, 53964585, 71952780, 107929170, 215858340]

約数ペア:

[(1, 215858340), (2, 107929170), (3, 71952780), (4, 53964585), (5, 43171668), (6, 35976390), (9, 23984260), (10, 21585834), (12, 17988195), (15, 14390556), (18, 11992130), (20, 10792917), (30, 7195278), (36, 5996065), (45, 4796852), (60, 3597639), (90, 2398426), (180, 1199213), (331, 652140), (662, 326070), (993, 217380), (1324, 163035), (1655, 130428), (1986, 108690), (2979, 72460), (3310, 65214), (3623, 59580), (3972, 54345), (4965, 43476), (5958, 36230), (6620, 32607), (7246, 29790), (9930, 21738), (10869, 19860), (11916, 18115), (14492, 14895)]