2907180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 9120384

約数和(自身を除く): 6213204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 521, 558, 620, 930, 1042, 1116, 1395, 1563, 1860, 2084, 2605, 2790, 3126, 4689, 5210, 5580, 6252, 7815, 9378, 10420, 15630, 16151, 18756, 23445, 31260, 32302, 46890, 48453, 64604, 80755, 93780, 96906, 145359, 161510, 193812, 242265, 290718, 323020, 484530, 581436, 726795, 969060, 1453590, 2907180]

約数ペア:

[(1, 2907180), (2, 1453590), (3, 969060), (4, 726795), (5, 581436), (6, 484530), (9, 323020), (10, 290718), (12, 242265), (15, 193812), (18, 161510), (20, 145359), (30, 96906), (31, 93780), (36, 80755), (45, 64604), (60, 48453), (62, 46890), (90, 32302), (93, 31260), (124, 23445), (155, 18756), (180, 16151), (186, 15630), (279, 10420), (310, 9378), (372, 7815), (465, 6252), (521, 5580), (558, 5210), (620, 4689), (930, 3126), (1042, 2790), (1116, 2605), (1395, 2084), (1563, 1860)]