728712640

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{22109}}^1$

素因数の和:22229

約数の個数: 56

約数和(自身を含む): 1752173280

約数和(自身を除く): 1023460640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 6592, 8240, 16480, 22109, 32960, 44218, 88436, 110545, 176872, 221090, 353744, 442180, 707488, 884360, 1414976, 1768720, 2277227, 3537440, 4554454, 7074880, 9108908, 11386135, 18217816, 22772270, 36435632, 45544540, 72871264, 91089080, 145742528, 182178160, 364356320, 728712640]

約数ペア:

[(1, 728712640), (2, 364356320), (4, 182178160), (5, 145742528), (8, 91089080), (10, 72871264), (16, 45544540), (20, 36435632), (32, 22772270), (40, 18217816), (64, 11386135), (80, 9108908), (103, 7074880), (160, 4554454), (206, 3537440), (320, 2277227), (412, 1768720), (515, 1414976), (824, 884360), (1030, 707488), (1648, 442180), (2060, 353744), (3296, 221090), (4120, 176872), (6592, 110545), (8240, 88436), (16480, 44218), (22109, 32960)]