72520240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 183613248

約数和(自身を除く): 111093008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 677, 824, 1030, 1040, 1339, 1354, 1648, 2060, 2678, 2708, 3385, 4120, 5356, 5416, 6695, 6770, 8240, 8801, 10712, 10832, 13390, 13540, 17602, 21424, 26780, 27080, 35204, 44005, 53560, 54160, 69731, 70408, 88010, 107120, 139462, 140816, 176020, 278924, 348655, 352040, 557848, 697310, 704080, 906503, 1115696, 1394620, 1813006, 2789240, 3626012, 4532515, 5578480, 7252024, 9065030, 14504048, 18130060, 36260120, 72520240]

約数ペア:

[(1, 72520240), (2, 36260120), (4, 18130060), (5, 14504048), (8, 9065030), (10, 7252024), (13, 5578480), (16, 4532515), (20, 3626012), (26, 2789240), (40, 1813006), (52, 1394620), (65, 1115696), (80, 906503), (103, 704080), (104, 697310), (130, 557848), (206, 352040), (208, 348655), (260, 278924), (412, 176020), (515, 140816), (520, 139462), (677, 107120), (824, 88010), (1030, 70408), (1040, 69731), (1339, 54160), (1354, 53560), (1648, 44005), (2060, 35204), (2678, 27080), (2708, 26780), (3385, 21424), (4120, 17602), (5356, 13540), (5416, 13390), (6695, 10832), (6770, 10712), (8240, 8801)]