31617960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1451

約数の個数: 128

約数和(自身を含む): 109641600

約数和(自身を除く): 78023640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1409, 1496, 1870, 2040, 2244, 2805, 2818, 3740, 4227, 4488, 5610, 5636, 7045, 7480, 8454, 11220, 11272, 14090, 15499, 16908, 21135, 22440, 23953, 28180, 30998, 33816, 42270, 46497, 47906, 56360, 61996, 71859, 77495, 84540, 92994, 95812, 119765, 123992, 143718, 154990, 169080, 185988, 191624, 232485, 239530, 263483, 287436, 309980, 359295, 371976, 464970, 479060, 526966, 574872, 619960, 718590, 790449, 929940, 958120, 1053932, 1317415, 1437180, 1580898, 1859880, 2107864, 2634830, 2874360, 3161796, 3952245, 5269660, 6323592, 7904490, 10539320, 15808980, 31617960]

約数ペア:

[(1, 31617960), (2, 15808980), (3, 10539320), (4, 7904490), (5, 6323592), (6, 5269660), (8, 3952245), (10, 3161796), (11, 2874360), (12, 2634830), (15, 2107864), (17, 1859880), (20, 1580898), (22, 1437180), (24, 1317415), (30, 1053932), (33, 958120), (34, 929940), (40, 790449), (44, 718590), (51, 619960), (55, 574872), (60, 526966), (66, 479060), (68, 464970), (85, 371976), (88, 359295), (102, 309980), (110, 287436), (120, 263483), (132, 239530), (136, 232485), (165, 191624), (170, 185988), (187, 169080), (204, 154990), (220, 143718), (255, 123992), (264, 119765), (330, 95812), (340, 92994), (374, 84540), (408, 77495), (440, 71859), (510, 61996), (561, 56360), (660, 47906), (680, 46497), (748, 42270), (935, 33816), (1020, 30998), (1122, 28180), (1320, 23953), (1409, 22440), (1496, 21135), (1870, 16908), (2040, 15499), (2244, 14090), (2805, 11272), (2818, 11220), (3740, 8454), (4227, 7480), (4488, 7045), (5610, 5636)]