31222730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 76640256

約数和(自身を除く): 45417526

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 41, 43, 46, 55, 70, 77, 82, 86, 110, 115, 154, 161, 205, 215, 230, 253, 287, 301, 322, 385, 410, 430, 451, 473, 506, 574, 602, 770, 805, 902, 943, 946, 989, 1265, 1435, 1505, 1610, 1763, 1771, 1886, 1978, 2255, 2365, 2530, 2870, 3010, 3157, 3311, 3526, 3542, 4510, 4715, 4730, 4945, 6314, 6601, 6622, 6923, 8815, 8855, 9430, 9890, 10373, 10879, 12341, 13202, 13846, 15785, 16555, 17630, 17710, 19393, 20746, 21758, 24682, 31570, 33005, 33110, 34615, 38786, 40549, 51865, 54395, 61705, 66010, 69230, 72611, 76153, 81098, 96965, 103730, 108790, 123410, 135751, 145222, 152306, 193930, 202745, 271502, 283843, 363055, 380765, 405490, 446039, 567686, 678755, 726110, 761530, 892078, 1357510, 1419215, 2230195, 2838430, 3122273, 4460390, 6244546, 15611365, 31222730]

約数ペア:

[(1, 31222730), (2, 15611365), (5, 6244546), (7, 4460390), (10, 3122273), (11, 2838430), (14, 2230195), (22, 1419215), (23, 1357510), (35, 892078), (41, 761530), (43, 726110), (46, 678755), (55, 567686), (70, 446039), (77, 405490), (82, 380765), (86, 363055), (110, 283843), (115, 271502), (154, 202745), (161, 193930), (205, 152306), (215, 145222), (230, 135751), (253, 123410), (287, 108790), (301, 103730), (322, 96965), (385, 81098), (410, 76153), (430, 72611), (451, 69230), (473, 66010), (506, 61705), (574, 54395), (602, 51865), (770, 40549), (805, 38786), (902, 34615), (943, 33110), (946, 33005), (989, 31570), (1265, 24682), (1435, 21758), (1505, 20746), (1610, 19393), (1763, 17710), (1771, 17630), (1886, 16555), (1978, 15785), (2255, 13846), (2365, 13202), (2530, 12341), (2870, 10879), (3010, 10373), (3157, 9890), (3311, 9430), (3526, 8855), (3542, 8815), (4510, 6923), (4715, 6622), (4730, 6601), (4945, 6314)]