641796960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1037

約数の個数: 192

約数和(自身を含む): 2322722304

約数和(自身を除く): 1680925344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 251, 280, 336, 420, 480, 502, 560, 672, 753, 761, 840, 1004, 1120, 1255, 1506, 1522, 1680, 1757, 2008, 2283, 2510, 3012, 3044, 3360, 3514, 3765, 3805, 4016, 4566, 5020, 5271, 5327, 6024, 6088, 7028, 7530, 7610, 8032, 8785, 9132, 10040, 10542, 10654, 11415, 12048, 12176, 14056, 15060, 15220, 15981, 17570, 18264, 20080, 21084, 21308, 22830, 24096, 24352, 26355, 26635, 28112, 30120, 30440, 31962, 35140, 36528, 40160, 42168, 42616, 45660, 52710, 53270, 56224, 60240, 60880, 63924, 70280, 73056, 79905, 84336, 85232, 91320, 105420, 106540, 120480, 121760, 127848, 140560, 159810, 168672, 170464, 182640, 191011, 210840, 213080, 255696, 281120, 319620, 365280, 382022, 421680, 426160, 511392, 573033, 639240, 764044, 843360, 852320, 955055, 1146066, 1278480, 1337077, 1528088, 1910110, 2292132, 2556960, 2674154, 2865165, 3056176, 3820220, 4011231, 4584264, 5348308, 5730330, 6112352, 6685385, 7640440, 8022462, 9168528, 10696616, 11460660, 13370770, 15280880, 16044924, 18337056, 20056155, 21393232, 22921320, 26741540, 30561760, 32089848, 40112310, 42786464, 45842640, 53483080, 64179696, 80224620, 91685280, 106966160, 128359392, 160449240, 213932320, 320898480, 641796960]

約数ペア:

[(1, 641796960), (2, 320898480), (3, 213932320), (4, 160449240), (5, 128359392), (6, 106966160), (7, 91685280), (8, 80224620), (10, 64179696), (12, 53483080), (14, 45842640), (15, 42786464), (16, 40112310), (20, 32089848), (21, 30561760), (24, 26741540), (28, 22921320), (30, 21393232), (32, 20056155), (35, 18337056), (40, 16044924), (42, 15280880), (48, 13370770), (56, 11460660), (60, 10696616), (70, 9168528), (80, 8022462), (84, 7640440), (96, 6685385), (105, 6112352), (112, 5730330), (120, 5348308), (140, 4584264), (160, 4011231), (168, 3820220), (210, 3056176), (224, 2865165), (240, 2674154), (251, 2556960), (280, 2292132), (336, 1910110), (420, 1528088), (480, 1337077), (502, 1278480), (560, 1146066), (672, 955055), (753, 852320), (761, 843360), (840, 764044), (1004, 639240), (1120, 573033), (1255, 511392), (1506, 426160), (1522, 421680), (1680, 382022), (1757, 365280), (2008, 319620), (2283, 281120), (2510, 255696), (3012, 213080), (3044, 210840), (3360, 191011), (3514, 182640), (3765, 170464), (3805, 168672), (4016, 159810), (4566, 140560), (5020, 127848), (5271, 121760), (5327, 120480), (6024, 106540), (6088, 105420), (7028, 91320), (7530, 85232), (7610, 84336), (8032, 79905), (8785, 73056), (9132, 70280), (10040, 63924), (10542, 60880), (10654, 60240), (11415, 56224), (12048, 53270), (12176, 52710), (14056, 45660), (15060, 42616), (15220, 42168), (15981, 40160), (17570, 36528), (18264, 35140), (20080, 31962), (21084, 30440), (21308, 30120), (22830, 28112), (24096, 26635), (24352, 26355)]