123813480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{147397}}^1$

素因数の和:147418

約数の個数: 64

約数和(自身を含む): 424506240

約数和(自身を除く): 300692760

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, 147397, 294794, 442191, 589588, 736985, 884382, 1031779, 1179176, 1473970, 1768764, 2063558, 2210955, 2947940, 3095337, 3537528, 4127116, 4421910, 5158895, 5895880, 6190674, 8254232, 8843820, 10317790, 12381348, 15476685, 17687640, 20635580, 24762696, 30953370, 41271160, 61906740, 123813480]

約数ペア:

[(1, 123813480), (2, 61906740), (3, 41271160), (4, 30953370), (5, 24762696), (6, 20635580), (7, 17687640), (8, 15476685), (10, 12381348), (12, 10317790), (14, 8843820), (15, 8254232), (20, 6190674), (21, 5895880), (24, 5158895), (28, 4421910), (30, 4127116), (35, 3537528), (40, 3095337), (42, 2947940), (56, 2210955), (60, 2063558), (70, 1768764), (84, 1473970), (105, 1179176), (120, 1031779), (140, 884382), (168, 736985), (210, 589588), (280, 442191), (420, 294794), (840, 147397)]