31655360

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:91

約数の個数: 168

約数和(自身を含む): 91019376

約数和(自身を除く): 59364016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 32, 34, 40, 44, 46, 55, 64, 68, 80, 85, 88, 92, 110, 115, 136, 160, 170, 176, 184, 187, 220, 230, 253, 272, 320, 340, 352, 368, 374, 391, 440, 460, 506, 529, 544, 680, 704, 736, 748, 782, 880, 920, 935, 1012, 1058, 1088, 1265, 1360, 1472, 1496, 1564, 1760, 1840, 1870, 1955, 2024, 2116, 2530, 2645, 2720, 2992, 3128, 3520, 3680, 3740, 3910, 4048, 4232, 4301, 5060, 5290, 5440, 5819, 5984, 6256, 7360, 7480, 7820, 8096, 8464, 8602, 8993, 10120, 10580, 11638, 11968, 12512, 14960, 15640, 16192, 16928, 17204, 17986, 20240, 21160, 21505, 23276, 25024, 29095, 29920, 31280, 33856, 34408, 35972, 40480, 42320, 43010, 44965, 46552, 58190, 59840, 62560, 68816, 71944, 80960, 84640, 86020, 89930, 93104, 98923, 116380, 125120, 137632, 143888, 169280, 172040, 179860, 186208, 197846, 232760, 275264, 287776, 344080, 359720, 372416, 395692, 465520, 494615, 575552, 688160, 719440, 791384, 931040, 989230, 1376320, 1438880, 1582768, 1862080, 1978460, 2877760, 3165536, 3956920, 6331072, 7913840, 15827680, 31655360]

約数ペア:

[(1, 31655360), (2, 15827680), (4, 7913840), (5, 6331072), (8, 3956920), (10, 3165536), (11, 2877760), (16, 1978460), (17, 1862080), (20, 1582768), (22, 1438880), (23, 1376320), (32, 989230), (34, 931040), (40, 791384), (44, 719440), (46, 688160), (55, 575552), (64, 494615), (68, 465520), (80, 395692), (85, 372416), (88, 359720), (92, 344080), (110, 287776), (115, 275264), (136, 232760), (160, 197846), (170, 186208), (176, 179860), (184, 172040), (187, 169280), (220, 143888), (230, 137632), (253, 125120), (272, 116380), (320, 98923), (340, 93104), (352, 89930), (368, 86020), (374, 84640), (391, 80960), (440, 71944), (460, 68816), (506, 62560), (529, 59840), (544, 58190), (680, 46552), (704, 44965), (736, 43010), (748, 42320), (782, 40480), (880, 35972), (920, 34408), (935, 33856), (1012, 31280), (1058, 29920), (1088, 29095), (1265, 25024), (1360, 23276), (1472, 21505), (1496, 21160), (1564, 20240), (1760, 17986), (1840, 17204), (1870, 16928), (1955, 16192), (2024, 15640), (2116, 14960), (2530, 12512), (2645, 11968), (2720, 11638), (2992, 10580), (3128, 10120), (3520, 8993), (3680, 8602), (3740, 8464), (3910, 8096), (4048, 7820), (4232, 7480), (4301, 7360), (5060, 6256), (5290, 5984), (5440, 5819)]