67145440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^2\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 72

約数和(自身を含む): 164619000

約数和(自身を除く): 97473560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 499, 580, 841, 928, 998, 1160, 1682, 1996, 2320, 2495, 3364, 3992, 4205, 4640, 4990, 6728, 7984, 8410, 9980, 13456, 14471, 15968, 16820, 19960, 26912, 28942, 33640, 39920, 57884, 67280, 72355, 79840, 115768, 134560, 144710, 231536, 289420, 419659, 463072, 578840, 839318, 1157680, 1678636, 2098295, 2315360, 3357272, 4196590, 6714544, 8393180, 13429088, 16786360, 33572720, 67145440]

約数ペア:

[(1, 67145440), (2, 33572720), (4, 16786360), (5, 13429088), (8, 8393180), (10, 6714544), (16, 4196590), (20, 3357272), (29, 2315360), (32, 2098295), (40, 1678636), (58, 1157680), (80, 839318), (116, 578840), (145, 463072), (160, 419659), (232, 289420), (290, 231536), (464, 144710), (499, 134560), (580, 115768), (841, 79840), (928, 72355), (998, 67280), (1160, 57884), (1682, 39920), (1996, 33640), (2320, 28942), (2495, 26912), (3364, 19960), (3992, 16820), (4205, 15968), (4640, 14471), (4990, 13456), (6728, 9980), (7984, 8410)]