31178070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 102080160

約数和(自身を除く): 70902090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 409, 462, 495, 605, 630, 693, 726, 770, 818, 847, 990, 1089, 1155, 1210, 1227, 1386, 1694, 1815, 2045, 2178, 2310, 2454, 2541, 2863, 3465, 3630, 3681, 4090, 4235, 4499, 5082, 5445, 5726, 6135, 6930, 7362, 7623, 8470, 8589, 8998, 10890, 12270, 12705, 13497, 14315, 15246, 17178, 18405, 22495, 25410, 25767, 26994, 28630, 31493, 36810, 38115, 40491, 42945, 44990, 49489, 51534, 62986, 67485, 76230, 80982, 85890, 94479, 98978, 128835, 134970, 148467, 157465, 188958, 202455, 247445, 257670, 283437, 296934, 314930, 346423, 404910, 445401, 472395, 494890, 566874, 692846, 742335, 890802, 944790, 1039269, 1417185, 1484670, 1732115, 2078538, 2227005, 2834370, 3117807, 3464230, 4454010, 5196345, 6235614, 10392690, 15589035, 31178070]

約数ペア:

[(1, 31178070), (2, 15589035), (3, 10392690), (5, 6235614), (6, 5196345), (7, 4454010), (9, 3464230), (10, 3117807), (11, 2834370), (14, 2227005), (15, 2078538), (18, 1732115), (21, 1484670), (22, 1417185), (30, 1039269), (33, 944790), (35, 890802), (42, 742335), (45, 692846), (55, 566874), (63, 494890), (66, 472395), (70, 445401), (77, 404910), (90, 346423), (99, 314930), (105, 296934), (110, 283437), (121, 257670), (126, 247445), (154, 202455), (165, 188958), (198, 157465), (210, 148467), (231, 134970), (242, 128835), (315, 98978), (330, 94479), (363, 85890), (385, 80982), (409, 76230), (462, 67485), (495, 62986), (605, 51534), (630, 49489), (693, 44990), (726, 42945), (770, 40491), (818, 38115), (847, 36810), (990, 31493), (1089, 28630), (1155, 26994), (1210, 25767), (1227, 25410), (1386, 22495), (1694, 18405), (1815, 17178), (2045, 15246), (2178, 14315), (2310, 13497), (2454, 12705), (2541, 12270), (2863, 10890), (3465, 8998), (3630, 8589), (3681, 8470), (4090, 7623), (4235, 7362), (4499, 6930), (5082, 6135), (5445, 5726)]