17978280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 54250560

約数和(自身を除く): 36272280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 643, 699, 932, 1165, 1286, 1398, 1864, 1929, 2330, 2572, 2796, 3215, 3495, 3858, 4660, 5144, 5592, 6430, 6990, 7716, 9320, 9645, 12860, 13980, 15432, 19290, 25720, 27960, 38580, 77160, 149819, 299638, 449457, 599276, 749095, 898914, 1198552, 1498190, 1797828, 2247285, 2996380, 3595656, 4494570, 5992760, 8989140, 17978280]

約数ペア:

[(1, 17978280), (2, 8989140), (3, 5992760), (4, 4494570), (5, 3595656), (6, 2996380), (8, 2247285), (10, 1797828), (12, 1498190), (15, 1198552), (20, 898914), (24, 749095), (30, 599276), (40, 449457), (60, 299638), (120, 149819), (233, 77160), (466, 38580), (643, 27960), (699, 25720), (932, 19290), (1165, 15432), (1286, 13980), (1398, 12860), (1864, 9645), (1929, 9320), (2330, 7716), (2572, 6990), (2796, 6430), (3215, 5592), (3495, 5144), (3858, 4660)]