72489280

素因数分解:

$2^6\times 5^1\times {\mathrm{359}}^1\times {\mathrm{631}}^1$

素因数の和:1007

約数の個数: 56

約数和(自身を含む): 173370240

約数和(自身を除く): 100880960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 359, 631, 718, 1262, 1436, 1795, 2524, 2872, 3155, 3590, 5048, 5744, 6310, 7180, 10096, 11488, 12620, 14360, 20192, 22976, 25240, 28720, 40384, 50480, 57440, 100960, 114880, 201920, 226529, 453058, 906116, 1132645, 1812232, 2265290, 3624464, 4530580, 7248928, 9061160, 14497856, 18122320, 36244640, 72489280]

約数ペア:

[(1, 72489280), (2, 36244640), (4, 18122320), (5, 14497856), (8, 9061160), (10, 7248928), (16, 4530580), (20, 3624464), (32, 2265290), (40, 1812232), (64, 1132645), (80, 906116), (160, 453058), (320, 226529), (359, 201920), (631, 114880), (718, 100960), (1262, 57440), (1436, 50480), (1795, 40384), (2524, 28720), (2872, 25240), (3155, 22976), (3590, 20192), (5048, 14360), (5744, 12620), (6310, 11488), (7180, 10096)]