331401420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 1230028800

約数和(自身を除く): 898627380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 109, 114, 126, 127, 133, 140, 171, 180, 190, 210, 218, 228, 252, 254, 266, 285, 315, 327, 342, 380, 381, 399, 420, 436, 508, 532, 545, 570, 630, 635, 654, 665, 684, 762, 763, 798, 855, 889, 981, 1090, 1140, 1143, 1197, 1260, 1270, 1308, 1330, 1524, 1526, 1596, 1635, 1710, 1778, 1905, 1962, 1995, 2071, 2180, 2286, 2289, 2394, 2413, 2540, 2660, 2667, 3052, 3270, 3420, 3556, 3810, 3815, 3924, 3990, 4142, 4445, 4572, 4578, 4788, 4826, 4905, 5334, 5715, 5985, 6213, 6540, 6867, 7239, 7620, 7630, 7980, 8001, 8284, 8890, 9156, 9652, 9810, 10355, 10668, 11430, 11445, 11970, 12065, 12426, 13335, 13734, 13843, 14478, 14497, 15260, 16002, 16891, 17780, 18639, 19620, 20710, 21717, 22860, 22890, 23940, 24130, 24852, 26670, 27468, 27686, 28956, 28994, 31065, 32004, 33782, 34335, 36195, 37278, 40005, 41420, 41529, 43434, 43491, 45780, 48260, 50673, 53340, 55372, 57988, 62130, 67564, 68670, 69215, 72390, 72485, 74556, 80010, 83058, 84455, 86868, 86982, 93195, 96901, 101346, 108585, 124260, 124587, 130473, 137340, 138430, 144780, 144970, 152019, 160020, 166116, 168910, 173964, 186390, 193802, 202692, 207645, 217170, 217455, 249174, 253365, 260946, 263017, 276860, 289940, 290703, 304038, 337820, 372780, 387604, 415290, 434340, 434910, 484505, 498348, 506730, 521892, 526034, 581406, 608076, 622935, 652365, 760095, 789051, 830580, 869820, 872109, 969010, 1013460, 1052068, 1162812, 1245870, 1304730, 1315085, 1453515, 1520190, 1578102, 1744218, 1841119, 1938020, 2367153, 2491740, 2609460, 2630170, 2907030, 3040380, 3156204, 3488436, 3682238, 3945255, 4360545, 4734306, 5260340, 5523357, 5814060, 7364476, 7890510, 8721090, 9205595, 9468612, 11046714, 11835765, 15781020, 16570071, 17442180, 18411190, 22093428, 23671530, 27616785, 33140142, 36822380, 47343060, 55233570, 66280284, 82850355, 110467140, 165700710, 331401420]

約数ペア:

[(1, 331401420), (2, 165700710), (3, 110467140), (4, 82850355), (5, 66280284), (6, 55233570), (7, 47343060), (9, 36822380), (10, 33140142), (12, 27616785), (14, 23671530), (15, 22093428), (18, 18411190), (19, 17442180), (20, 16570071), (21, 15781020), (28, 11835765), (30, 11046714), (35, 9468612), (36, 9205595), (38, 8721090), (42, 7890510), (45, 7364476), (57, 5814060), (60, 5523357), (63, 5260340), (70, 4734306), (76, 4360545), (84, 3945255), (90, 3682238), (95, 3488436), (105, 3156204), (109, 3040380), (114, 2907030), (126, 2630170), (127, 2609460), (133, 2491740), (140, 2367153), (171, 1938020), (180, 1841119), (190, 1744218), (210, 1578102), (218, 1520190), (228, 1453515), (252, 1315085), (254, 1304730), (266, 1245870), (285, 1162812), (315, 1052068), (327, 1013460), (342, 969010), (380, 872109), (381, 869820), (399, 830580), (420, 789051), (436, 760095), (508, 652365), (532, 622935), (545, 608076), (570, 581406), (630, 526034), (635, 521892), (654, 506730), (665, 498348), (684, 484505), (762, 434910), (763, 434340), (798, 415290), (855, 387604), (889, 372780), (981, 337820), (1090, 304038), (1140, 290703), (1143, 289940), (1197, 276860), (1260, 263017), (1270, 260946), (1308, 253365), (1330, 249174), (1524, 217455), (1526, 217170), (1596, 207645), (1635, 202692), (1710, 193802), (1778, 186390), (1905, 173964), (1962, 168910), (1995, 166116), (2071, 160020), (2180, 152019), (2286, 144970), (2289, 144780), (2394, 138430), (2413, 137340), (2540, 130473), (2660, 124587), (2667, 124260), (3052, 108585), (3270, 101346), (3420, 96901), (3556, 93195), (3810, 86982), (3815, 86868), (3924, 84455), (3990, 83058), (4142, 80010), (4445, 74556), (4572, 72485), (4578, 72390), (4788, 69215), (4826, 68670), (4905, 67564), (5334, 62130), (5715, 57988), (5985, 55372), (6213, 53340), (6540, 50673), (6867, 48260), (7239, 45780), (7620, 43491), (7630, 43434), (7980, 41529), (8001, 41420), (8284, 40005), (8890, 37278), (9156, 36195), (9652, 34335), (9810, 33782), (10355, 32004), (10668, 31065), (11430, 28994), (11445, 28956), (11970, 27686), (12065, 27468), (12426, 26670), (13335, 24852), (13734, 24130), (13843, 23940), (14478, 22890), (14497, 22860), (15260, 21717), (16002, 20710), (16891, 19620), (17780, 18639)]