128461920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{267629}}^1$

素因数の和:267647

約数の個数: 48

約数和(自身を含む): 404656560

約数和(自身を除く): 276194640

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, 267629, 535258, 802887, 1070516, 1338145, 1605774, 2141032, 2676290, 3211548, 4014435, 4282064, 5352580, 6423096, 8028870, 8564128, 10705160, 12846192, 16057740, 21410320, 25692384, 32115480, 42820640, 64230960, 128461920]

約数ペア:

[(1, 128461920), (2, 64230960), (3, 42820640), (4, 32115480), (5, 25692384), (6, 21410320), (8, 16057740), (10, 12846192), (12, 10705160), (15, 8564128), (16, 8028870), (20, 6423096), (24, 5352580), (30, 4282064), (32, 4014435), (40, 3211548), (48, 2676290), (60, 2141032), (80, 1605774), (96, 1338145), (120, 1070516), (160, 802887), (240, 535258), (480, 267629)]