247565280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{515761}}^1$

素因数の和:515779

約数の個数: 48

約数和(自身を含む): 779832144

約数和(自身を除く): 532266864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 515761, 1031522, 1547283, 2063044, 2578805, 3094566, 4126088, 5157610, 6189132, 7736415, 8252176, 10315220, 12378264, 15472830, 16504352, 20630440, 24756528, 30945660, 41260880, 49513056, 61891320, 82521760, 123782640, 247565280]

約数ペア:

[(1, 247565280), (2, 123782640), (3, 82521760), (4, 61891320), (5, 49513056), (6, 41260880), (8, 30945660), (10, 24756528), (12, 20630440), (15, 16504352), (16, 15472830), (20, 12378264), (24, 10315220), (30, 8252176), (32, 7736415), (40, 6189132), (48, 5157610), (60, 4126088), (80, 3094566), (96, 2578805), (120, 2063044), (160, 1547283), (240, 1031522), (480, 515761)]