390315840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{406579}}^1$

素因数の和:406599

約数の個数: 56

約数和(自身を含む): 1239255840

約数和(自身を除く): 848940000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 406579, 813158, 1219737, 1626316, 2032895, 2439474, 3252632, 4065790, 4878948, 6098685, 6505264, 8131580, 9757896, 12197370, 13010528, 16263160, 19515792, 24394740, 26021056, 32526320, 39031584, 48789480, 65052640, 78063168, 97578960, 130105280, 195157920, 390315840]

約数ペア:

[(1, 390315840), (2, 195157920), (3, 130105280), (4, 97578960), (5, 78063168), (6, 65052640), (8, 48789480), (10, 39031584), (12, 32526320), (15, 26021056), (16, 24394740), (20, 19515792), (24, 16263160), (30, 13010528), (32, 12197370), (40, 9757896), (48, 8131580), (60, 6505264), (64, 6098685), (80, 4878948), (96, 4065790), (120, 3252632), (160, 2439474), (192, 2032895), (240, 1626316), (320, 1219737), (480, 813158), (960, 406579)]