15827680

素因数分解:

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

素因数の和:89

約数の個数: 144

約数和(自身を含む): 45151344

約数和(自身を除く): 29323664

約数列:

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

約数ペア:

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