259626240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:785

約数の個数: 216

約数和(自身を含む): 928531968

約数和(自身を除く): 668905728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 727, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1454, 1488, 1860, 1920, 1984, 2181, 2232, 2304, 2480, 2790, 2880, 2908, 2976, 3635, 3720, 3840, 3968, 4362, 4464, 4960, 5580, 5760, 5816, 5952, 6543, 7270, 7440, 7936, 8724, 8928, 9920, 10905, 11160, 11520, 11632, 11904, 13086, 14540, 14880, 17448, 17856, 19840, 21810, 22320, 22537, 23264, 23808, 26172, 29080, 29760, 32715, 34896, 35712, 39680, 43620, 44640, 45074, 46528, 52344, 58160, 59520, 65430, 67611, 69792, 71424, 87240, 89280, 90148, 93056, 104688, 112685, 116320, 119040, 130860, 135222, 139584, 174480, 178560, 180296, 186112, 202833, 209376, 225370, 232640, 261720, 270444, 279168, 338055, 348960, 357120, 360592, 405666, 418752, 450740, 465280, 523440, 540888, 558336, 676110, 697920, 721184, 811332, 837504, 901480, 930560, 1014165, 1046880, 1081776, 1352220, 1395840, 1442368, 1622664, 1675008, 1802960, 2028330, 2093760, 2163552, 2704440, 2791680, 2884736, 3245328, 3605920, 4056660, 4187520, 4327104, 5408880, 5769472, 6490656, 7211840, 8113320, 8375040, 8654208, 10817760, 12981312, 14423680, 16226640, 17308416, 21635520, 25962624, 28847360, 32453280, 43271040, 51925248, 64906560, 86542080, 129813120, 259626240]

約数ペア:

[(1, 259626240), (2, 129813120), (3, 86542080), (4, 64906560), (5, 51925248), (6, 43271040), (8, 32453280), (9, 28847360), (10, 25962624), (12, 21635520), (15, 17308416), (16, 16226640), (18, 14423680), (20, 12981312), (24, 10817760), (30, 8654208), (31, 8375040), (32, 8113320), (36, 7211840), (40, 6490656), (45, 5769472), (48, 5408880), (60, 4327104), (62, 4187520), (64, 4056660), (72, 3605920), (80, 3245328), (90, 2884736), (93, 2791680), (96, 2704440), (120, 2163552), (124, 2093760), (128, 2028330), (144, 1802960), (155, 1675008), (160, 1622664), (180, 1442368), (186, 1395840), (192, 1352220), (240, 1081776), (248, 1046880), (256, 1014165), (279, 930560), (288, 901480), (310, 837504), (320, 811332), (360, 721184), (372, 697920), (384, 676110), (465, 558336), (480, 540888), (496, 523440), (558, 465280), (576, 450740), (620, 418752), (640, 405666), (720, 360592), (727, 357120), (744, 348960), (768, 338055), (930, 279168), (960, 270444), (992, 261720), (1116, 232640), (1152, 225370), (1240, 209376), (1280, 202833), (1395, 186112), (1440, 180296), (1454, 178560), (1488, 174480), (1860, 139584), (1920, 135222), (1984, 130860), (2181, 119040), (2232, 116320), (2304, 112685), (2480, 104688), (2790, 93056), (2880, 90148), (2908, 89280), (2976, 87240), (3635, 71424), (3720, 69792), (3840, 67611), (3968, 65430), (4362, 59520), (4464, 58160), (4960, 52344), (5580, 46528), (5760, 45074), (5816, 44640), (5952, 43620), (6543, 39680), (7270, 35712), (7440, 34896), (7936, 32715), (8724, 29760), (8928, 29080), (9920, 26172), (10905, 23808), (11160, 23264), (11520, 22537), (11632, 22320), (11904, 21810), (13086, 19840), (14540, 17856), (14880, 17448)]