7913840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 22217328

約数和(自身を除く): 14303488

約数列:

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

約数ペア:

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