860226520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 2177280000

約数和(自身を除く): 1317053480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 139, 152, 170, 190, 278, 323, 340, 380, 479, 556, 646, 680, 695, 760, 958, 1112, 1292, 1390, 1615, 1916, 2363, 2395, 2584, 2641, 2780, 3230, 3832, 4726, 4790, 5282, 5560, 6460, 8143, 9101, 9452, 9580, 10564, 11815, 12920, 13205, 16286, 18202, 18904, 19160, 21128, 23630, 26410, 32572, 36404, 40715, 44897, 45505, 47260, 52820, 65144, 66581, 72808, 81430, 89794, 91010, 94520, 105640, 133162, 154717, 162860, 179588, 182020, 224485, 266324, 309434, 325720, 332905, 359176, 364040, 448970, 532648, 618868, 665810, 773585, 897940, 1131877, 1237736, 1265039, 1331620, 1547170, 1795880, 2263754, 2530078, 2663240, 3094340, 4527508, 5060156, 5659385, 6188680, 6325195, 9055016, 10120312, 11318770, 12650390, 21505663, 22637540, 25300780, 43011326, 45275080, 50601560, 86022652, 107528315, 172045304, 215056630, 430113260, 860226520]

約数ペア:

[(1, 860226520), (2, 430113260), (4, 215056630), (5, 172045304), (8, 107528315), (10, 86022652), (17, 50601560), (19, 45275080), (20, 43011326), (34, 25300780), (38, 22637540), (40, 21505663), (68, 12650390), (76, 11318770), (85, 10120312), (95, 9055016), (136, 6325195), (139, 6188680), (152, 5659385), (170, 5060156), (190, 4527508), (278, 3094340), (323, 2663240), (340, 2530078), (380, 2263754), (479, 1795880), (556, 1547170), (646, 1331620), (680, 1265039), (695, 1237736), (760, 1131877), (958, 897940), (1112, 773585), (1292, 665810), (1390, 618868), (1615, 532648), (1916, 448970), (2363, 364040), (2395, 359176), (2584, 332905), (2641, 325720), (2780, 309434), (3230, 266324), (3832, 224485), (4726, 182020), (4790, 179588), (5282, 162860), (5560, 154717), (6460, 133162), (8143, 105640), (9101, 94520), (9452, 91010), (9580, 89794), (10564, 81430), (11815, 72808), (12920, 66581), (13205, 65144), (16286, 52820), (18202, 47260), (18904, 45505), (19160, 44897), (21128, 40715), (23630, 36404), (26410, 32572)]