218514030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 640002384

約数和(自身を除く): 421488354

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 281, 294, 322, 345, 483, 490, 529, 562, 690, 735, 805, 843, 966, 1058, 1127, 1405, 1470, 1587, 1610, 1686, 1967, 2254, 2415, 2645, 2810, 3174, 3381, 3703, 3934, 4215, 4830, 5290, 5635, 5901, 6463, 6762, 7406, 7935, 8430, 9835, 11109, 11270, 11802, 12926, 13769, 15870, 16905, 18515, 19389, 19670, 22218, 25921, 27538, 29505, 32315, 33810, 37030, 38778, 41307, 45241, 51842, 55545, 59010, 64630, 68845, 77763, 82614, 90482, 96945, 111090, 129605, 135723, 137690, 148649, 155526, 193890, 206535, 226205, 259210, 271446, 297298, 316687, 388815, 413070, 445947, 452410, 633374, 678615, 743245, 777630, 891894, 950061, 1040543, 1357230, 1486490, 1583435, 1900122, 2081086, 2229735, 3121629, 3166870, 4459470, 4750305, 5202715, 6243258, 7283801, 9500610, 10405430, 14567602, 15608145, 21851403, 31216290, 36419005, 43702806, 72838010, 109257015, 218514030]

約数ペア:

[(1, 218514030), (2, 109257015), (3, 72838010), (5, 43702806), (6, 36419005), (7, 31216290), (10, 21851403), (14, 15608145), (15, 14567602), (21, 10405430), (23, 9500610), (30, 7283801), (35, 6243258), (42, 5202715), (46, 4750305), (49, 4459470), (69, 3166870), (70, 3121629), (98, 2229735), (105, 2081086), (115, 1900122), (138, 1583435), (147, 1486490), (161, 1357230), (210, 1040543), (230, 950061), (245, 891894), (281, 777630), (294, 743245), (322, 678615), (345, 633374), (483, 452410), (490, 445947), (529, 413070), (562, 388815), (690, 316687), (735, 297298), (805, 271446), (843, 259210), (966, 226205), (1058, 206535), (1127, 193890), (1405, 155526), (1470, 148649), (1587, 137690), (1610, 135723), (1686, 129605), (1967, 111090), (2254, 96945), (2415, 90482), (2645, 82614), (2810, 77763), (3174, 68845), (3381, 64630), (3703, 59010), (3934, 55545), (4215, 51842), (4830, 45241), (5290, 41307), (5635, 38778), (5901, 37030), (6463, 33810), (6762, 32315), (7406, 29505), (7935, 27538), (8430, 25921), (9835, 22218), (11109, 19670), (11270, 19389), (11802, 18515), (12926, 16905), (13769, 15870)]