18285840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 62239320

約数和(自身を除く): 43953480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 233, 240, 327, 360, 436, 466, 545, 654, 699, 720, 872, 932, 981, 1090, 1165, 1308, 1398, 1635, 1744, 1864, 1962, 2097, 2180, 2330, 2616, 2796, 3270, 3495, 3728, 3924, 4194, 4360, 4660, 4905, 5232, 5592, 6540, 6990, 7848, 8388, 8720, 9320, 9810, 10485, 11184, 13080, 13980, 15696, 16776, 18640, 19620, 20970, 25397, 26160, 27960, 33552, 39240, 41940, 50794, 55920, 76191, 78480, 83880, 101588, 126985, 152382, 167760, 203176, 228573, 253970, 304764, 380955, 406352, 457146, 507940, 609528, 761910, 914292, 1015880, 1142865, 1219056, 1523820, 1828584, 2031760, 2285730, 3047640, 3657168, 4571460, 6095280, 9142920, 18285840]

約数ペア:

[(1, 18285840), (2, 9142920), (3, 6095280), (4, 4571460), (5, 3657168), (6, 3047640), (8, 2285730), (9, 2031760), (10, 1828584), (12, 1523820), (15, 1219056), (16, 1142865), (18, 1015880), (20, 914292), (24, 761910), (30, 609528), (36, 507940), (40, 457146), (45, 406352), (48, 380955), (60, 304764), (72, 253970), (80, 228573), (90, 203176), (109, 167760), (120, 152382), (144, 126985), (180, 101588), (218, 83880), (233, 78480), (240, 76191), (327, 55920), (360, 50794), (436, 41940), (466, 39240), (545, 33552), (654, 27960), (699, 26160), (720, 25397), (872, 20970), (932, 19620), (981, 18640), (1090, 16776), (1165, 15696), (1308, 13980), (1398, 13080), (1635, 11184), (1744, 10485), (1864, 9810), (1962, 9320), (2097, 8720), (2180, 8388), (2330, 7848), (2616, 6990), (2796, 6540), (3270, 5592), (3495, 5232), (3728, 4905), (3924, 4660), (4194, 4360)]