1972893720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:498

約数の個数: 256

約数和(自身を含む): 6949555200

約数和(自身を除く): 4976661480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 139, 140, 168, 183, 210, 244, 277, 278, 280, 305, 366, 417, 420, 427, 488, 554, 556, 610, 695, 732, 831, 834, 840, 854, 915, 973, 1108, 1112, 1220, 1281, 1385, 1390, 1464, 1662, 1668, 1708, 1830, 1939, 1946, 2085, 2135, 2216, 2440, 2562, 2770, 2780, 2919, 3324, 3336, 3416, 3660, 3878, 3892, 4155, 4170, 4270, 4865, 5124, 5540, 5560, 5817, 5838, 6405, 6648, 7320, 7756, 7784, 8310, 8340, 8479, 8540, 9695, 9730, 10248, 11080, 11634, 11676, 12810, 14595, 15512, 16620, 16680, 16897, 16958, 17080, 19390, 19460, 23268, 23352, 25437, 25620, 29085, 29190, 33240, 33794, 33916, 38503, 38780, 38920, 42395, 46536, 50691, 50874, 51240, 58170, 58380, 59353, 67588, 67832, 77006, 77560, 84485, 84790, 101382, 101748, 115509, 116340, 116760, 118279, 118706, 127185, 135176, 154012, 168970, 169580, 178059, 192515, 202764, 203496, 231018, 232680, 236558, 237412, 253455, 254370, 269521, 296765, 308024, 337940, 339160, 354837, 356118, 385030, 405528, 462036, 473116, 474824, 506910, 508740, 539042, 577545, 591395, 593530, 675880, 709674, 712236, 770060, 808563, 890295, 924072, 946232, 1013820, 1017480, 1078084, 1155090, 1182790, 1187060, 1347605, 1419348, 1424472, 1540120, 1617126, 1774185, 1780590, 2027640, 2156168, 2310180, 2348683, 2365580, 2374120, 2695210, 2838696, 3234252, 3548370, 3561180, 4042815, 4620360, 4697366, 4731160, 5390420, 6468504, 7046049, 7096740, 7122360, 8085630, 9394732, 10780840, 11743415, 14092098, 14193480, 16171260, 16440781, 18789464, 23486830, 28184196, 32342520, 32881562, 35230245, 46973660, 49322343, 56368392, 65763124, 70460490, 82203905, 93947320, 98644686, 131526248, 140920980, 164407810, 197289372, 246611715, 281841960, 328815620, 394578744, 493223430, 657631240, 986446860, 1972893720]

約数ペア:

[(1, 1972893720), (2, 986446860), (3, 657631240), (4, 493223430), (5, 394578744), (6, 328815620), (7, 281841960), (8, 246611715), (10, 197289372), (12, 164407810), (14, 140920980), (15, 131526248), (20, 98644686), (21, 93947320), (24, 82203905), (28, 70460490), (30, 65763124), (35, 56368392), (40, 49322343), (42, 46973660), (56, 35230245), (60, 32881562), (61, 32342520), (70, 28184196), (84, 23486830), (105, 18789464), (120, 16440781), (122, 16171260), (139, 14193480), (140, 14092098), (168, 11743415), (183, 10780840), (210, 9394732), (244, 8085630), (277, 7122360), (278, 7096740), (280, 7046049), (305, 6468504), (366, 5390420), (417, 4731160), (420, 4697366), (427, 4620360), (488, 4042815), (554, 3561180), (556, 3548370), (610, 3234252), (695, 2838696), (732, 2695210), (831, 2374120), (834, 2365580), (840, 2348683), (854, 2310180), (915, 2156168), (973, 2027640), (1108, 1780590), (1112, 1774185), (1220, 1617126), (1281, 1540120), (1385, 1424472), (1390, 1419348), (1464, 1347605), (1662, 1187060), (1668, 1182790), (1708, 1155090), (1830, 1078084), (1939, 1017480), (1946, 1013820), (2085, 946232), (2135, 924072), (2216, 890295), (2440, 808563), (2562, 770060), (2770, 712236), (2780, 709674), (2919, 675880), (3324, 593530), (3336, 591395), (3416, 577545), (3660, 539042), (3878, 508740), (3892, 506910), (4155, 474824), (4170, 473116), (4270, 462036), (4865, 405528), (5124, 385030), (5540, 356118), (5560, 354837), (5817, 339160), (5838, 337940), (6405, 308024), (6648, 296765), (7320, 269521), (7756, 254370), (7784, 253455), (8310, 237412), (8340, 236558), (8479, 232680), (8540, 231018), (9695, 203496), (9730, 202764), (10248, 192515), (11080, 178059), (11634, 169580), (11676, 168970), (12810, 154012), (14595, 135176), (15512, 127185), (16620, 118706), (16680, 118279), (16897, 116760), (16958, 116340), (17080, 115509), (19390, 101748), (19460, 101382), (23268, 84790), (23352, 84485), (25437, 77560), (25620, 77006), (29085, 67832), (29190, 67588), (33240, 59353), (33794, 58380), (33916, 58170), (38503, 51240), (38780, 50874), (38920, 50691), (42395, 46536)]