820595520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1093

約数の個数: 168

約数和(自身を含む): 2833116000

約数和(自身を除く): 2012520480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 499, 571, 576, 720, 960, 998, 1142, 1440, 1497, 1713, 1996, 2284, 2495, 2855, 2880, 2994, 3426, 3992, 4491, 4568, 4990, 5139, 5710, 5988, 6852, 7485, 7984, 8565, 8982, 9136, 9980, 10278, 11420, 11976, 13704, 14970, 15968, 17130, 17964, 18272, 19960, 20556, 22455, 22840, 23952, 25695, 27408, 29940, 31936, 34260, 35928, 36544, 39920, 41112, 44910, 45680, 47904, 51390, 54816, 59880, 68520, 71856, 79840, 82224, 89820, 91360, 95808, 102780, 109632, 119760, 137040, 143712, 159680, 164448, 179640, 182720, 205560, 239520, 274080, 284929, 287424, 328896, 359280, 411120, 479040, 548160, 569858, 718560, 822240, 854787, 1139716, 1424645, 1437120, 1644480, 1709574, 2279432, 2564361, 2849290, 3419148, 4273935, 4558864, 5128722, 5698580, 6838296, 8547870, 9117728, 10257444, 11397160, 12821805, 13676592, 17095740, 18235456, 20514888, 22794320, 25643610, 27353184, 34191480, 41029776, 45588640, 51287220, 54706368, 68382960, 82059552, 91177280, 102574440, 136765920, 164119104, 205148880, 273531840, 410297760, 820595520]

約数ペア:

[(1, 820595520), (2, 410297760), (3, 273531840), (4, 205148880), (5, 164119104), (6, 136765920), (8, 102574440), (9, 91177280), (10, 82059552), (12, 68382960), (15, 54706368), (16, 51287220), (18, 45588640), (20, 41029776), (24, 34191480), (30, 27353184), (32, 25643610), (36, 22794320), (40, 20514888), (45, 18235456), (48, 17095740), (60, 13676592), (64, 12821805), (72, 11397160), (80, 10257444), (90, 9117728), (96, 8547870), (120, 6838296), (144, 5698580), (160, 5128722), (180, 4558864), (192, 4273935), (240, 3419148), (288, 2849290), (320, 2564361), (360, 2279432), (480, 1709574), (499, 1644480), (571, 1437120), (576, 1424645), (720, 1139716), (960, 854787), (998, 822240), (1142, 718560), (1440, 569858), (1497, 548160), (1713, 479040), (1996, 411120), (2284, 359280), (2495, 328896), (2855, 287424), (2880, 284929), (2994, 274080), (3426, 239520), (3992, 205560), (4491, 182720), (4568, 179640), (4990, 164448), (5139, 159680), (5710, 143712), (5988, 137040), (6852, 119760), (7485, 109632), (7984, 102780), (8565, 95808), (8982, 91360), (9136, 89820), (9980, 82224), (10278, 79840), (11420, 71856), (11976, 68520), (13704, 59880), (14970, 54816), (15968, 51390), (17130, 47904), (17964, 45680), (18272, 44910), (19960, 41112), (20556, 39920), (22455, 36544), (22840, 35928), (23952, 34260), (25695, 31936), (27408, 29940)]