86457920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 112

約数和(自身を含む): 227795328

約数和(自身を除く): 141337408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 320, 340, 368, 391, 460, 544, 680, 691, 736, 782, 920, 1088, 1360, 1382, 1472, 1564, 1840, 1955, 2720, 2764, 3128, 3455, 3680, 3910, 5440, 5528, 6256, 6910, 7360, 7820, 11056, 11747, 12512, 13820, 15640, 15893, 22112, 23494, 25024, 27640, 31280, 31786, 44224, 46988, 55280, 58735, 62560, 63572, 79465, 93976, 110560, 117470, 125120, 127144, 158930, 187952, 221120, 234940, 254288, 270181, 317860, 375904, 469880, 508576, 540362, 635720, 751808, 939760, 1017152, 1080724, 1271440, 1350905, 1879520, 2161448, 2542880, 2701810, 3759040, 4322896, 5085760, 5403620, 8645792, 10807240, 17291584, 21614480, 43228960, 86457920]

約数ペア:

[(1, 86457920), (2, 43228960), (4, 21614480), (5, 17291584), (8, 10807240), (10, 8645792), (16, 5403620), (17, 5085760), (20, 4322896), (23, 3759040), (32, 2701810), (34, 2542880), (40, 2161448), (46, 1879520), (64, 1350905), (68, 1271440), (80, 1080724), (85, 1017152), (92, 939760), (115, 751808), (136, 635720), (160, 540362), (170, 508576), (184, 469880), (230, 375904), (272, 317860), (320, 270181), (340, 254288), (368, 234940), (391, 221120), (460, 187952), (544, 158930), (680, 127144), (691, 125120), (736, 117470), (782, 110560), (920, 93976), (1088, 79465), (1360, 63572), (1382, 62560), (1472, 58735), (1564, 55280), (1840, 46988), (1955, 44224), (2720, 31786), (2764, 31280), (3128, 27640), (3455, 25024), (3680, 23494), (3910, 22112), (5440, 15893), (5528, 15640), (6256, 13820), (6910, 12512), (7360, 11747), (7820, 11056)]