2787960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3319}}^1$

素因数の和:3340

約数の個数: 64

約数和(自身を含む): 9561600

約数和(自身を除く): 6773640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 3319, 6638, 9957, 13276, 16595, 19914, 23233, 26552, 33190, 39828, 46466, 49785, 66380, 69699, 79656, 92932, 99570, 116165, 132760, 139398, 185864, 199140, 232330, 278796, 348495, 398280, 464660, 557592, 696990, 929320, 1393980, 2787960]

約数ペア:

[(1, 2787960), (2, 1393980), (3, 929320), (4, 696990), (5, 557592), (6, 464660), (7, 398280), (8, 348495), (10, 278796), (12, 232330), (14, 199140), (15, 185864), (20, 139398), (21, 132760), (24, 116165), (28, 99570), (30, 92932), (35, 79656), (40, 69699), (42, 66380), (56, 49785), (60, 46466), (70, 39828), (84, 33190), (105, 26552), (120, 23233), (140, 19914), (168, 16595), (210, 13276), (280, 9957), (420, 6638), (840, 3319)]