57457520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 142371840

約数和(自身を除く): 84914320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 367, 380, 412, 515, 734, 760, 824, 1030, 1468, 1520, 1648, 1835, 1957, 2060, 2936, 3670, 3914, 4120, 5872, 6973, 7340, 7828, 8240, 9785, 13946, 14680, 15656, 19570, 27892, 29360, 31312, 34865, 37801, 39140, 55784, 69730, 75602, 78280, 111568, 139460, 151204, 156560, 189005, 278920, 302408, 378010, 557840, 604816, 718219, 756020, 1436438, 1512040, 2872876, 3024080, 3591095, 5745752, 7182190, 11491504, 14364380, 28728760, 57457520]

約数ペア:

[(1, 57457520), (2, 28728760), (4, 14364380), (5, 11491504), (8, 7182190), (10, 5745752), (16, 3591095), (19, 3024080), (20, 2872876), (38, 1512040), (40, 1436438), (76, 756020), (80, 718219), (95, 604816), (103, 557840), (152, 378010), (190, 302408), (206, 278920), (304, 189005), (367, 156560), (380, 151204), (412, 139460), (515, 111568), (734, 78280), (760, 75602), (824, 69730), (1030, 55784), (1468, 39140), (1520, 37801), (1648, 34865), (1835, 31312), (1957, 29360), (2060, 27892), (2936, 19570), (3670, 15656), (3914, 14680), (4120, 13946), (5872, 9785), (6973, 8240), (7340, 7828)]