1188891920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 2811843840

約数和(自身を除く): 1622951920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 157, 206, 314, 412, 515, 628, 785, 824, 919, 1030, 1256, 1570, 1648, 1838, 2060, 2512, 3140, 3676, 4120, 4595, 6280, 7352, 8240, 9190, 12560, 14704, 16171, 18380, 32342, 36760, 64684, 73520, 80855, 94657, 129368, 144283, 161710, 189314, 258736, 288566, 323420, 378628, 473285, 577132, 646840, 721415, 757256, 946570, 1154264, 1293680, 1442830, 1514512, 1893140, 2308528, 2885660, 3786280, 5771320, 7572560, 11542640, 14861149, 29722298, 59444596, 74305745, 118889192, 148611490, 237778384, 297222980, 594445960, 1188891920]

約数ペア:

[(1, 1188891920), (2, 594445960), (4, 297222980), (5, 237778384), (8, 148611490), (10, 118889192), (16, 74305745), (20, 59444596), (40, 29722298), (80, 14861149), (103, 11542640), (157, 7572560), (206, 5771320), (314, 3786280), (412, 2885660), (515, 2308528), (628, 1893140), (785, 1514512), (824, 1442830), (919, 1293680), (1030, 1154264), (1256, 946570), (1570, 757256), (1648, 721415), (1838, 646840), (2060, 577132), (2512, 473285), (3140, 378628), (3676, 323420), (4120, 288566), (4595, 258736), (6280, 189314), (7352, 161710), (8240, 144283), (9190, 129368), (12560, 94657), (14704, 80855), (16171, 73520), (18380, 64684), (32342, 36760)]