8721540

素因数分解:

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

素因数の和:570

約数の個数: 96

約数和(自身を含む): 28062720

約数和(自身を除く): 19341180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 521, 540, 558, 620, 837, 930, 1042, 1116, 1395, 1563, 1674, 1860, 2084, 2605, 2790, 3126, 3348, 4185, 4689, 5210, 5580, 6252, 7815, 8370, 9378, 10420, 14067, 15630, 16151, 16740, 18756, 23445, 28134, 31260, 32302, 46890, 48453, 56268, 64604, 70335, 80755, 93780, 96906, 140670, 145359, 161510, 193812, 242265, 281340, 290718, 323020, 436077, 484530, 581436, 726795, 872154, 969060, 1453590, 1744308, 2180385, 2907180, 4360770, 8721540]

約数ペア:

[(1, 8721540), (2, 4360770), (3, 2907180), (4, 2180385), (5, 1744308), (6, 1453590), (9, 969060), (10, 872154), (12, 726795), (15, 581436), (18, 484530), (20, 436077), (27, 323020), (30, 290718), (31, 281340), (36, 242265), (45, 193812), (54, 161510), (60, 145359), (62, 140670), (90, 96906), (93, 93780), (108, 80755), (124, 70335), (135, 64604), (155, 56268), (180, 48453), (186, 46890), (270, 32302), (279, 31260), (310, 28134), (372, 23445), (465, 18756), (521, 16740), (540, 16151), (558, 15630), (620, 14067), (837, 10420), (930, 9378), (1042, 8370), (1116, 7815), (1395, 6252), (1563, 5580), (1674, 5210), (1860, 4689), (2084, 4185), (2605, 3348), (2790, 3126)]