123815280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4733}}^1$

素因数の和:4858

約数の個数: 80

約数和(自身を含む): 387430560

約数和(自身を除く): 263615280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 4733, 5232, 6540, 8720, 9466, 13080, 14199, 18932, 23665, 26160, 28398, 37864, 47330, 56796, 70995, 75728, 94660, 113592, 141990, 189320, 227184, 283980, 378640, 515897, 567960, 1031794, 1135920, 1547691, 2063588, 2579485, 3095382, 4127176, 5158970, 6190764, 7738455, 8254352, 10317940, 12381528, 15476910, 20635880, 24763056, 30953820, 41271760, 61907640, 123815280]

約数ペア:

[(1, 123815280), (2, 61907640), (3, 41271760), (4, 30953820), (5, 24763056), (6, 20635880), (8, 15476910), (10, 12381528), (12, 10317940), (15, 8254352), (16, 7738455), (20, 6190764), (24, 5158970), (30, 4127176), (40, 3095382), (48, 2579485), (60, 2063588), (80, 1547691), (109, 1135920), (120, 1031794), (218, 567960), (240, 515897), (327, 378640), (436, 283980), (545, 227184), (654, 189320), (872, 141990), (1090, 113592), (1308, 94660), (1635, 75728), (1744, 70995), (2180, 56796), (2616, 47330), (3270, 37864), (4360, 28398), (4733, 26160), (5232, 23665), (6540, 18932), (8720, 14199), (9466, 13080)]