81644640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 327608064

約数和(自身を除く): 245963424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 47, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 94, 96, 105, 110, 112, 120, 132, 140, 141, 154, 160, 165, 168, 176, 188, 210, 220, 224, 231, 235, 240, 264, 280, 282, 308, 329, 330, 336, 352, 376, 385, 420, 440, 462, 470, 480, 517, 528, 560, 564, 616, 658, 660, 672, 705, 752, 770, 840, 880, 924, 940, 987, 1034, 1056, 1120, 1128, 1155, 1232, 1316, 1320, 1410, 1504, 1540, 1551, 1645, 1680, 1760, 1848, 1880, 1974, 2068, 2209, 2256, 2310, 2464, 2585, 2632, 2640, 2820, 3080, 3102, 3290, 3360, 3619, 3696, 3760, 3948, 4136, 4418, 4512, 4620, 4935, 5170, 5264, 5280, 5640, 6160, 6204, 6580, 6627, 7238, 7392, 7520, 7755, 7896, 8272, 8836, 9240, 9870, 10340, 10528, 10857, 11045, 11280, 12320, 12408, 13160, 13254, 14476, 15463, 15510, 15792, 16544, 17672, 18095, 18480, 19740, 20680, 21714, 22090, 22560, 24299, 24816, 26320, 26508, 28952, 30926, 31020, 31584, 33135, 35344, 36190, 36960, 39480, 41360, 43428, 44180, 46389, 48598, 49632, 52640, 53016, 54285, 57904, 61852, 62040, 66270, 70688, 72380, 72897, 77315, 78960, 82720, 86856, 88360, 92778, 97196, 106032, 108570, 115808, 121495, 123704, 124080, 132540, 144760, 145794, 154630, 157920, 170093, 173712, 176720, 185556, 194392, 212064, 217140, 231945, 242990, 247408, 248160, 265080, 289520, 291588, 309260, 340186, 347424, 353440, 364485, 371112, 388784, 434280, 463890, 485980, 494816, 510279, 530160, 579040, 583176, 618520, 680372, 728970, 742224, 777568, 850465, 868560, 927780, 971960, 1020558, 1060320, 1166352, 1237040, 1360744, 1457940, 1484448, 1700930, 1737120, 1855560, 1943920, 2041116, 2332704, 2474080, 2551395, 2721488, 2915880, 3401860, 3711120, 3887840, 4082232, 5102790, 5442976, 5831760, 6803720, 7422240, 8164464, 10205580, 11663520, 13607440, 16328928, 20411160, 27214880, 40822320, 81644640]

約数ペア:

[(1, 81644640), (2, 40822320), (3, 27214880), (4, 20411160), (5, 16328928), (6, 13607440), (7, 11663520), (8, 10205580), (10, 8164464), (11, 7422240), (12, 6803720), (14, 5831760), (15, 5442976), (16, 5102790), (20, 4082232), (21, 3887840), (22, 3711120), (24, 3401860), (28, 2915880), (30, 2721488), (32, 2551395), (33, 2474080), (35, 2332704), (40, 2041116), (42, 1943920), (44, 1855560), (47, 1737120), (48, 1700930), (55, 1484448), (56, 1457940), (60, 1360744), (66, 1237040), (70, 1166352), (77, 1060320), (80, 1020558), (84, 971960), (88, 927780), (94, 868560), (96, 850465), (105, 777568), (110, 742224), (112, 728970), (120, 680372), (132, 618520), (140, 583176), (141, 579040), (154, 530160), (160, 510279), (165, 494816), (168, 485980), (176, 463890), (188, 434280), (210, 388784), (220, 371112), (224, 364485), (231, 353440), (235, 347424), (240, 340186), (264, 309260), (280, 291588), (282, 289520), (308, 265080), (329, 248160), (330, 247408), (336, 242990), (352, 231945), (376, 217140), (385, 212064), (420, 194392), (440, 185556), (462, 176720), (470, 173712), (480, 170093), (517, 157920), (528, 154630), (560, 145794), (564, 144760), (616, 132540), (658, 124080), (660, 123704), (672, 121495), (705, 115808), (752, 108570), (770, 106032), (840, 97196), (880, 92778), (924, 88360), (940, 86856), (987, 82720), (1034, 78960), (1056, 77315), (1120, 72897), (1128, 72380), (1155, 70688), (1232, 66270), (1316, 62040), (1320, 61852), (1410, 57904), (1504, 54285), (1540, 53016), (1551, 52640), (1645, 49632), (1680, 48598), (1760, 46389), (1848, 44180), (1880, 43428), (1974, 41360), (2068, 39480), (2209, 36960), (2256, 36190), (2310, 35344), (2464, 33135), (2585, 31584), (2632, 31020), (2640, 30926), (2820, 28952), (3080, 26508), (3102, 26320), (3290, 24816), (3360, 24299), (3619, 22560), (3696, 22090), (3760, 21714), (3948, 20680), (4136, 19740), (4418, 18480), (4512, 18095), (4620, 17672), (4935, 16544), (5170, 15792), (5264, 15510), (5280, 15463), (5640, 14476), (6160, 13254), (6204, 13160), (6580, 12408), (6627, 12320), (7238, 11280), (7392, 11045), (7520, 10857), (7755, 10528), (7896, 10340), (8272, 9870), (8836, 9240)]