18397680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 66852864

約数和(自身を除く): 48455184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 233, 235, 240, 280, 282, 329, 336, 376, 420, 466, 470, 560, 564, 658, 699, 705, 752, 840, 932, 940, 987, 1128, 1165, 1316, 1398, 1410, 1631, 1645, 1680, 1864, 1880, 1974, 2256, 2330, 2632, 2796, 2820, 3262, 3290, 3495, 3728, 3760, 3948, 4660, 4893, 4935, 5264, 5592, 5640, 6524, 6580, 6990, 7896, 8155, 9320, 9786, 9870, 10951, 11184, 11280, 13048, 13160, 13980, 15792, 16310, 18640, 19572, 19740, 21902, 24465, 26096, 26320, 27960, 32620, 32853, 39144, 39480, 43804, 48930, 54755, 55920, 65240, 65706, 76657, 78288, 78960, 87608, 97860, 109510, 130480, 131412, 153314, 164265, 175216, 195720, 219020, 229971, 262824, 306628, 328530, 383285, 391440, 438040, 459942, 525648, 613256, 657060, 766570, 876080, 919884, 1149855, 1226512, 1314120, 1533140, 1839768, 2299710, 2628240, 3066280, 3679536, 4599420, 6132560, 9198840, 18397680]

約数ペア:

[(1, 18397680), (2, 9198840), (3, 6132560), (4, 4599420), (5, 3679536), (6, 3066280), (7, 2628240), (8, 2299710), (10, 1839768), (12, 1533140), (14, 1314120), (15, 1226512), (16, 1149855), (20, 919884), (21, 876080), (24, 766570), (28, 657060), (30, 613256), (35, 525648), (40, 459942), (42, 438040), (47, 391440), (48, 383285), (56, 328530), (60, 306628), (70, 262824), (80, 229971), (84, 219020), (94, 195720), (105, 175216), (112, 164265), (120, 153314), (140, 131412), (141, 130480), (168, 109510), (188, 97860), (210, 87608), (233, 78960), (235, 78288), (240, 76657), (280, 65706), (282, 65240), (329, 55920), (336, 54755), (376, 48930), (420, 43804), (466, 39480), (470, 39144), (560, 32853), (564, 32620), (658, 27960), (699, 26320), (705, 26096), (752, 24465), (840, 21902), (932, 19740), (940, 19572), (987, 18640), (1128, 16310), (1165, 15792), (1316, 13980), (1398, 13160), (1410, 13048), (1631, 11280), (1645, 11184), (1680, 10951), (1864, 9870), (1880, 9786), (1974, 9320), (2256, 8155), (2330, 7896), (2632, 6990), (2796, 6580), (2820, 6524), (3262, 5640), (3290, 5592), (3495, 5264), (3728, 4935), (3760, 4893), (3948, 4660)]