8958780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 27597024

約数和(自身を除く): 18638244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 701, 710, 852, 1065, 1278, 1402, 1420, 2103, 2130, 2556, 2804, 3195, 3505, 4206, 4260, 6309, 6390, 7010, 8412, 10515, 12618, 12780, 14020, 21030, 25236, 31545, 42060, 49771, 63090, 99542, 126180, 149313, 199084, 248855, 298626, 447939, 497710, 597252, 746565, 895878, 995420, 1493130, 1791756, 2239695, 2986260, 4479390, 8958780]

約数ペア:

[(1, 8958780), (2, 4479390), (3, 2986260), (4, 2239695), (5, 1791756), (6, 1493130), (9, 995420), (10, 895878), (12, 746565), (15, 597252), (18, 497710), (20, 447939), (30, 298626), (36, 248855), (45, 199084), (60, 149313), (71, 126180), (90, 99542), (142, 63090), (180, 49771), (213, 42060), (284, 31545), (355, 25236), (426, 21030), (639, 14020), (701, 12780), (710, 12618), (852, 10515), (1065, 8412), (1278, 7010), (1402, 6390), (1420, 6309), (2103, 4260), (2130, 4206), (2556, 3505), (2804, 3195)]