280246620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{19543}}^1$

素因数の和:19794

約数の個数: 48

約数和(自身を含む): 788014080

約数和(自身を除く): 507767460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 7170, 14340, 19543, 39086, 58629, 78172, 97715, 117258, 195430, 234516, 293145, 390860, 586290, 1172580, 4670777, 9341554, 14012331, 18683108, 23353885, 28024662, 46707770, 56049324, 70061655, 93415540, 140123310, 280246620]

約数ペア:

[(1, 280246620), (2, 140123310), (3, 93415540), (4, 70061655), (5, 56049324), (6, 46707770), (10, 28024662), (12, 23353885), (15, 18683108), (20, 14012331), (30, 9341554), (60, 4670777), (239, 1172580), (478, 586290), (717, 390860), (956, 293145), (1195, 234516), (1434, 195430), (2390, 117258), (2868, 97715), (3585, 78172), (4780, 58629), (7170, 39086), (14340, 19543)]