1330688720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{449557}}^1$

素因数の和:449607

約数の個数: 40

約数和(自身を含む): 3177475944

約数和(自身を除く): 1846787224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 449557, 899114, 1798228, 2247785, 3596456, 4495570, 7192912, 8991140, 16633609, 17982280, 33267218, 35964560, 66534436, 83168045, 133068872, 166336090, 266137744, 332672180, 665344360, 1330688720]

約数ペア:

[(1, 1330688720), (2, 665344360), (4, 332672180), (5, 266137744), (8, 166336090), (10, 133068872), (16, 83168045), (20, 66534436), (37, 35964560), (40, 33267218), (74, 17982280), (80, 16633609), (148, 8991140), (185, 7192912), (296, 4495570), (370, 3596456), (592, 2247785), (740, 1798228), (1480, 899114), (2960, 449557)]