90718040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1153}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 234308160

約数和(自身を除く): 143590120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1153, 1405, 1967, 2248, 2306, 2810, 3934, 4612, 5620, 5765, 7868, 8071, 9224, 9835, 11240, 11530, 15736, 16142, 19670, 23060, 32284, 39340, 40355, 46120, 64568, 78680, 80710, 161420, 322840, 323993, 647986, 1295972, 1619965, 2267951, 2591944, 3239930, 4535902, 6479860, 9071804, 11339755, 12959720, 18143608, 22679510, 45359020, 90718040]

約数ペア:

[(1, 90718040), (2, 45359020), (4, 22679510), (5, 18143608), (7, 12959720), (8, 11339755), (10, 9071804), (14, 6479860), (20, 4535902), (28, 3239930), (35, 2591944), (40, 2267951), (56, 1619965), (70, 1295972), (140, 647986), (280, 323993), (281, 322840), (562, 161420), (1124, 80710), (1153, 78680), (1405, 64568), (1967, 46120), (2248, 40355), (2306, 39340), (2810, 32284), (3934, 23060), (4612, 19670), (5620, 16142), (5765, 15736), (7868, 11530), (8071, 11240), (9224, 9835)]