1330588280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{66931}}^1$

素因数の和:67020

約数の個数: 64

約数和(自身を含む): 3469754880

約数和(自身を除く): 2139166600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 66931, 133862, 267724, 334655, 468517, 535448, 669310, 937034, 1338620, 1874068, 2342585, 2677240, 3748136, 4685170, 4752101, 9370340, 9504202, 18740680, 19008404, 23760505, 33264707, 38016808, 47521010, 66529414, 95042020, 133058828, 166323535, 190084040, 266117656, 332647070, 665294140, 1330588280]

約数ペア:

[(1, 1330588280), (2, 665294140), (4, 332647070), (5, 266117656), (7, 190084040), (8, 166323535), (10, 133058828), (14, 95042020), (20, 66529414), (28, 47521010), (35, 38016808), (40, 33264707), (56, 23760505), (70, 19008404), (71, 18740680), (140, 9504202), (142, 9370340), (280, 4752101), (284, 4685170), (355, 3748136), (497, 2677240), (568, 2342585), (710, 1874068), (994, 1338620), (1420, 937034), (1988, 669310), (2485, 535448), (2840, 468517), (3976, 334655), (4970, 267724), (9940, 133862), (19880, 66931)]