118515920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 293255040

約数和(自身を除く): 174739120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 757, 760, 824, 1030, 1514, 1520, 1648, 1957, 2060, 3028, 3785, 3914, 4120, 6056, 7570, 7828, 8240, 9785, 12112, 14383, 15140, 15656, 19570, 28766, 30280, 31312, 39140, 57532, 60560, 71915, 77971, 78280, 115064, 143830, 155942, 156560, 230128, 287660, 311884, 389855, 575320, 623768, 779710, 1150640, 1247536, 1481449, 1559420, 2962898, 3118840, 5925796, 6237680, 7407245, 11851592, 14814490, 23703184, 29628980, 59257960, 118515920]

約数ペア:

[(1, 118515920), (2, 59257960), (4, 29628980), (5, 23703184), (8, 14814490), (10, 11851592), (16, 7407245), (19, 6237680), (20, 5925796), (38, 3118840), (40, 2962898), (76, 1559420), (80, 1481449), (95, 1247536), (103, 1150640), (152, 779710), (190, 623768), (206, 575320), (304, 389855), (380, 311884), (412, 287660), (515, 230128), (757, 156560), (760, 155942), (824, 143830), (1030, 115064), (1514, 78280), (1520, 77971), (1648, 71915), (1957, 60560), (2060, 57532), (3028, 39140), (3785, 31312), (3914, 30280), (4120, 28766), (6056, 19570), (7570, 15656), (7828, 15140), (8240, 14383), (9785, 12112)]