31971390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 91445760

約数和(自身を除く): 59474370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 41, 51, 55, 66, 82, 85, 102, 110, 123, 139, 165, 170, 187, 205, 246, 255, 278, 330, 374, 410, 417, 451, 510, 561, 615, 695, 697, 834, 902, 935, 1122, 1230, 1353, 1390, 1394, 1529, 1870, 2085, 2091, 2255, 2363, 2706, 2805, 3058, 3485, 4170, 4182, 4510, 4587, 4726, 5610, 5699, 6765, 6970, 7089, 7645, 7667, 9174, 10455, 11398, 11815, 13530, 14178, 15290, 15334, 17097, 20910, 22935, 23001, 23630, 25993, 28495, 34194, 35445, 38335, 45870, 46002, 51986, 56990, 62689, 70890, 76670, 77979, 85485, 96883, 115005, 125378, 129965, 155958, 170970, 188067, 193766, 230010, 259930, 290649, 313445, 376134, 389895, 484415, 581298, 626890, 779790, 940335, 968830, 1065713, 1453245, 1880670, 2131426, 2906490, 3197139, 5328565, 6394278, 10657130, 15985695, 31971390]

約数ペア:

[(1, 31971390), (2, 15985695), (3, 10657130), (5, 6394278), (6, 5328565), (10, 3197139), (11, 2906490), (15, 2131426), (17, 1880670), (22, 1453245), (30, 1065713), (33, 968830), (34, 940335), (41, 779790), (51, 626890), (55, 581298), (66, 484415), (82, 389895), (85, 376134), (102, 313445), (110, 290649), (123, 259930), (139, 230010), (165, 193766), (170, 188067), (187, 170970), (205, 155958), (246, 129965), (255, 125378), (278, 115005), (330, 96883), (374, 85485), (410, 77979), (417, 76670), (451, 70890), (510, 62689), (561, 56990), (615, 51986), (695, 46002), (697, 45870), (834, 38335), (902, 35445), (935, 34194), (1122, 28495), (1230, 25993), (1353, 23630), (1390, 23001), (1394, 22935), (1529, 20910), (1870, 17097), (2085, 15334), (2091, 15290), (2255, 14178), (2363, 13530), (2706, 11815), (2805, 11398), (3058, 10455), (3485, 9174), (4170, 7667), (4182, 7645), (4510, 7089), (4587, 6970), (4726, 6765), (5610, 5699)]