221525820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{410233}}^1$

素因数の和:410251

約数の個数: 48

約数和(自身を含む): 689193120

約数和(自身を除く): 467667300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 410233, 820466, 1230699, 1640932, 2051165, 2461398, 3692097, 4102330, 4922796, 6153495, 7384194, 8204660, 11076291, 12306990, 14768388, 18460485, 22152582, 24613980, 36920970, 44305164, 55381455, 73841940, 110762910, 221525820]

約数ペア:

[(1, 221525820), (2, 110762910), (3, 73841940), (4, 55381455), (5, 44305164), (6, 36920970), (9, 24613980), (10, 22152582), (12, 18460485), (15, 14768388), (18, 12306990), (20, 11076291), (27, 8204660), (30, 7384194), (36, 6153495), (45, 4922796), (54, 4102330), (60, 3692097), (90, 2461398), (108, 2051165), (135, 1640932), (180, 1230699), (270, 820466), (540, 410233)]