155393460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1657}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 472549896

約数和(自身を除く): 317156436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 1657, 2084, 2605, 3126, 3314, 4689, 4971, 5210, 6252, 6628, 7815, 8285, 9378, 9942, 10420, 14913, 15630, 16570, 18756, 19884, 23445, 24855, 29826, 31260, 33140, 46890, 49710, 59652, 74565, 93780, 99420, 149130, 298260, 863297, 1726594, 2589891, 3453188, 4316485, 5179782, 7769673, 8632970, 10359564, 12949455, 15539346, 17265940, 25898910, 31078692, 38848365, 51797820, 77696730, 155393460]

約数ペア:

[(1, 155393460), (2, 77696730), (3, 51797820), (4, 38848365), (5, 31078692), (6, 25898910), (9, 17265940), (10, 15539346), (12, 12949455), (15, 10359564), (18, 8632970), (20, 7769673), (30, 5179782), (36, 4316485), (45, 3453188), (60, 2589891), (90, 1726594), (180, 863297), (521, 298260), (1042, 149130), (1563, 99420), (1657, 93780), (2084, 74565), (2605, 59652), (3126, 49710), (3314, 46890), (4689, 33140), (4971, 31260), (5210, 29826), (6252, 24855), (6628, 23445), (7815, 19884), (8285, 18756), (9378, 16570), (9942, 15630), (10420, 14913)]