85980440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 252979200

約数和(自身を除く): 166998760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 79, 91, 92, 104, 115, 130, 140, 158, 161, 169, 182, 184, 230, 260, 280, 299, 316, 322, 338, 364, 395, 455, 460, 520, 553, 598, 632, 644, 676, 728, 790, 805, 845, 910, 920, 1027, 1106, 1183, 1196, 1288, 1352, 1495, 1580, 1610, 1690, 1817, 1820, 2054, 2093, 2212, 2366, 2392, 2765, 2990, 3160, 3220, 3380, 3634, 3640, 3887, 4108, 4186, 4424, 4732, 5135, 5530, 5915, 5980, 6440, 6760, 7189, 7268, 7774, 8216, 8372, 9085, 9464, 10270, 10465, 11060, 11830, 11960, 12719, 13351, 14378, 14536, 15548, 16744, 18170, 19435, 20540, 20930, 22120, 23621, 23660, 25438, 26702, 27209, 28756, 31096, 35945, 36340, 38870, 41080, 41860, 47242, 47320, 50876, 53404, 54418, 57512, 63595, 66755, 71890, 72680, 77740, 83720, 93457, 94484, 101752, 106808, 108836, 118105, 127190, 133510, 136045, 143780, 155480, 165347, 186914, 188968, 217672, 236210, 254380, 267020, 272090, 287560, 307073, 330694, 373828, 467285, 472420, 508760, 534040, 544180, 614146, 661388, 747656, 826735, 934570, 944840, 1088360, 1228292, 1322776, 1535365, 1653470, 1869140, 2149511, 2456584, 3070730, 3306940, 3738280, 4299022, 6141460, 6613880, 8598044, 10747555, 12282920, 17196088, 21495110, 42990220, 85980440]

約数ペア:

[(1, 85980440), (2, 42990220), (4, 21495110), (5, 17196088), (7, 12282920), (8, 10747555), (10, 8598044), (13, 6613880), (14, 6141460), (20, 4299022), (23, 3738280), (26, 3306940), (28, 3070730), (35, 2456584), (40, 2149511), (46, 1869140), (52, 1653470), (56, 1535365), (65, 1322776), (70, 1228292), (79, 1088360), (91, 944840), (92, 934570), (104, 826735), (115, 747656), (130, 661388), (140, 614146), (158, 544180), (161, 534040), (169, 508760), (182, 472420), (184, 467285), (230, 373828), (260, 330694), (280, 307073), (299, 287560), (316, 272090), (322, 267020), (338, 254380), (364, 236210), (395, 217672), (455, 188968), (460, 186914), (520, 165347), (553, 155480), (598, 143780), (632, 136045), (644, 133510), (676, 127190), (728, 118105), (790, 108836), (805, 106808), (845, 101752), (910, 94484), (920, 93457), (1027, 83720), (1106, 77740), (1183, 72680), (1196, 71890), (1288, 66755), (1352, 63595), (1495, 57512), (1580, 54418), (1610, 53404), (1690, 50876), (1817, 47320), (1820, 47242), (2054, 41860), (2093, 41080), (2212, 38870), (2366, 36340), (2392, 35945), (2765, 31096), (2990, 28756), (3160, 27209), (3220, 26702), (3380, 25438), (3634, 23660), (3640, 23621), (3887, 22120), (4108, 20930), (4186, 20540), (4424, 19435), (4732, 18170), (5135, 16744), (5530, 15548), (5915, 14536), (5980, 14378), (6440, 13351), (6760, 12719), (7189, 11960), (7268, 11830), (7774, 11060), (8216, 10465), (8372, 10270), (9085, 9464)]