89415920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 158068240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 43, 44, 55, 68, 80, 85, 86, 88, 110, 136, 139, 170, 172, 176, 187, 215, 220, 272, 278, 340, 344, 374, 430, 440, 473, 556, 680, 688, 695, 731, 748, 860, 880, 935, 946, 1112, 1360, 1390, 1462, 1496, 1529, 1720, 1870, 1892, 2224, 2363, 2365, 2780, 2924, 2992, 3058, 3440, 3655, 3740, 3784, 4726, 4730, 5560, 5848, 5977, 6116, 7310, 7480, 7568, 7645, 8041, 9452, 9460, 11120, 11696, 11815, 11954, 12232, 14620, 14960, 15290, 16082, 18904, 18920, 23630, 23908, 24464, 25993, 29240, 29885, 30580, 32164, 37808, 37840, 40205, 47260, 47816, 51986, 58480, 59770, 61160, 64328, 65747, 80410, 94520, 95632, 101609, 103972, 119540, 122320, 128656, 129965, 131494, 160820, 189040, 203218, 207944, 239080, 259930, 262988, 321640, 328735, 406436, 415888, 478160, 508045, 519860, 525976, 643280, 657470, 812872, 1016090, 1039720, 1051952, 1117699, 1314940, 1625744, 2032180, 2079440, 2235398, 2629880, 4064360, 4470796, 5259760, 5588495, 8128720, 8941592, 11176990, 17883184, 22353980, 44707960, 89415920]

約数ペア:

[(1, 89415920), (2, 44707960), (4, 22353980), (5, 17883184), (8, 11176990), (10, 8941592), (11, 8128720), (16, 5588495), (17, 5259760), (20, 4470796), (22, 4064360), (34, 2629880), (40, 2235398), (43, 2079440), (44, 2032180), (55, 1625744), (68, 1314940), (80, 1117699), (85, 1051952), (86, 1039720), (88, 1016090), (110, 812872), (136, 657470), (139, 643280), (170, 525976), (172, 519860), (176, 508045), (187, 478160), (215, 415888), (220, 406436), (272, 328735), (278, 321640), (340, 262988), (344, 259930), (374, 239080), (430, 207944), (440, 203218), (473, 189040), (556, 160820), (680, 131494), (688, 129965), (695, 128656), (731, 122320), (748, 119540), (860, 103972), (880, 101609), (935, 95632), (946, 94520), (1112, 80410), (1360, 65747), (1390, 64328), (1462, 61160), (1496, 59770), (1529, 58480), (1720, 51986), (1870, 47816), (1892, 47260), (2224, 40205), (2363, 37840), (2365, 37808), (2780, 32164), (2924, 30580), (2992, 29885), (3058, 29240), (3440, 25993), (3655, 24464), (3740, 23908), (3784, 23630), (4726, 18920), (4730, 18904), (5560, 16082), (5848, 15290), (5977, 14960), (6116, 14620), (7310, 12232), (7480, 11954), (7568, 11815), (7645, 11696), (8041, 11120), (9452, 9460)]