90239220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1097}}^1$

素因数の和:1569

約数の個数: 72

約数和(自身を含む): 274574664

約数和(自身を除く): 184335444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1097, 1371, 1828, 2194, 2285, 2742, 3291, 4113, 4388, 4570, 5484, 5485, 6582, 6855, 8226, 9140, 9873, 10970, 13164, 13710, 16452, 16455, 19746, 20565, 21940, 27420, 32910, 39492, 41130, 49365, 65820, 82260, 98730, 197460, 501329, 1002658, 1503987, 2005316, 2506645, 3007974, 4511961, 5013290, 6015948, 7519935, 9023922, 10026580, 15039870, 18047844, 22559805, 30079740, 45119610, 90239220]

約数ペア:

[(1, 90239220), (2, 45119610), (3, 30079740), (4, 22559805), (5, 18047844), (6, 15039870), (9, 10026580), (10, 9023922), (12, 7519935), (15, 6015948), (18, 5013290), (20, 4511961), (30, 3007974), (36, 2506645), (45, 2005316), (60, 1503987), (90, 1002658), (180, 501329), (457, 197460), (914, 98730), (1097, 82260), (1371, 65820), (1828, 49365), (2194, 41130), (2285, 39492), (2742, 32910), (3291, 27420), (4113, 21940), (4388, 20565), (4570, 19746), (5484, 16455), (5485, 16452), (6582, 13710), (6855, 13164), (8226, 10970), (9140, 9873)]