661705560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 2226631680

約数和(自身を除く): 1564926120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 127, 164, 180, 205, 246, 254, 328, 353, 360, 369, 381, 410, 492, 508, 615, 635, 706, 738, 762, 820, 984, 1016, 1059, 1143, 1230, 1270, 1412, 1476, 1524, 1640, 1765, 1845, 1905, 2118, 2286, 2460, 2540, 2824, 2952, 3048, 3177, 3530, 3690, 3810, 4236, 4572, 4920, 5080, 5207, 5295, 5715, 6354, 7060, 7380, 7620, 8472, 9144, 10414, 10590, 11430, 12708, 14120, 14473, 14760, 15240, 15621, 15885, 20828, 21180, 22860, 25416, 26035, 28946, 31242, 31770, 41656, 42360, 43419, 44831, 45720, 46863, 52070, 57892, 62484, 63540, 72365, 78105, 86838, 89662, 93726, 104140, 115784, 124968, 127080, 130257, 134493, 144730, 156210, 173676, 179324, 187452, 208280, 217095, 224155, 234315, 260514, 268986, 289460, 312420, 347352, 358648, 374904, 403479, 434190, 448310, 468630, 521028, 537972, 578920, 624840, 651285, 672465, 806958, 868380, 896620, 937260, 1042056, 1075944, 1302570, 1344930, 1613916, 1736760, 1793240, 1838071, 1874520, 2017395, 2605140, 2689860, 3227832, 3676142, 4034790, 5210280, 5379720, 5514213, 7352284, 8069580, 9190355, 11028426, 14704568, 16139160, 16542639, 18380710, 22056852, 27571065, 33085278, 36761420, 44113704, 55142130, 66170556, 73522840, 82713195, 110284260, 132341112, 165426390, 220568520, 330852780, 661705560]

約数ペア:

[(1, 661705560), (2, 330852780), (3, 220568520), (4, 165426390), (5, 132341112), (6, 110284260), (8, 82713195), (9, 73522840), (10, 66170556), (12, 55142130), (15, 44113704), (18, 36761420), (20, 33085278), (24, 27571065), (30, 22056852), (36, 18380710), (40, 16542639), (41, 16139160), (45, 14704568), (60, 11028426), (72, 9190355), (82, 8069580), (90, 7352284), (120, 5514213), (123, 5379720), (127, 5210280), (164, 4034790), (180, 3676142), (205, 3227832), (246, 2689860), (254, 2605140), (328, 2017395), (353, 1874520), (360, 1838071), (369, 1793240), (381, 1736760), (410, 1613916), (492, 1344930), (508, 1302570), (615, 1075944), (635, 1042056), (706, 937260), (738, 896620), (762, 868380), (820, 806958), (984, 672465), (1016, 651285), (1059, 624840), (1143, 578920), (1230, 537972), (1270, 521028), (1412, 468630), (1476, 448310), (1524, 434190), (1640, 403479), (1765, 374904), (1845, 358648), (1905, 347352), (2118, 312420), (2286, 289460), (2460, 268986), (2540, 260514), (2824, 234315), (2952, 224155), (3048, 217095), (3177, 208280), (3530, 187452), (3690, 179324), (3810, 173676), (4236, 156210), (4572, 144730), (4920, 134493), (5080, 130257), (5207, 127080), (5295, 124968), (5715, 115784), (6354, 104140), (7060, 93726), (7380, 89662), (7620, 86838), (8472, 78105), (9144, 72365), (10414, 63540), (10590, 62484), (11430, 57892), (12708, 52070), (14120, 46863), (14473, 45720), (14760, 44831), (15240, 43419), (15621, 42360), (15885, 41656), (20828, 31770), (21180, 31242), (22860, 28946), (25416, 26035)]