664287840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:722

約数の個数: 288

約数和(自身を含む): 2445520896

約数和(自身を除く): 1781233056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 32, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 96, 115, 120, 124, 138, 144, 155, 160, 180, 184, 186, 207, 230, 240, 248, 276, 279, 288, 310, 345, 360, 368, 372, 414, 460, 465, 480, 496, 552, 558, 620, 647, 690, 713, 720, 736, 744, 828, 920, 930, 992, 1035, 1104, 1116, 1240, 1294, 1380, 1395, 1426, 1440, 1488, 1656, 1840, 1860, 1941, 2070, 2139, 2208, 2232, 2480, 2588, 2760, 2790, 2852, 2976, 3235, 3312, 3565, 3680, 3720, 3882, 4140, 4278, 4464, 4960, 5176, 5520, 5580, 5704, 5823, 6417, 6470, 6624, 7130, 7440, 7764, 8280, 8556, 8928, 9705, 10352, 10695, 11040, 11160, 11408, 11646, 12834, 12940, 14260, 14880, 14881, 15528, 16560, 17112, 19410, 20057, 20704, 21390, 22320, 22816, 23292, 25668, 25880, 28520, 29115, 29762, 31056, 32085, 33120, 34224, 38820, 40114, 42780, 44640, 44643, 46584, 51336, 51760, 57040, 58230, 59524, 60171, 62112, 64170, 68448, 74405, 77640, 80228, 85560, 89286, 93168, 100285, 102672, 103520, 114080, 116460, 119048, 120342, 128340, 133929, 148810, 155280, 160456, 171120, 178572, 180513, 186336, 200570, 205344, 223215, 232920, 238096, 240684, 256680, 267858, 297620, 300855, 310560, 320912, 342240, 357144, 361026, 401140, 446430, 461311, 465840, 476192, 481368, 513360, 535716, 595240, 601710, 641824, 669645, 714288, 722052, 802280, 892860, 902565, 922622, 931680, 962736, 1026720, 1071432, 1190480, 1203420, 1339290, 1383933, 1428576, 1444104, 1604560, 1785720, 1805130, 1845244, 1925472, 2142864, 2306555, 2380960, 2406840, 2678580, 2767866, 2888208, 3209120, 3571440, 3610260, 3690488, 4151799, 4285728, 4613110, 4813680, 5357160, 5535732, 5776416, 6919665, 7142880, 7220520, 7380976, 8303598, 9226220, 9627360, 10714320, 11071464, 13839330, 14441040, 14761952, 16607196, 18452440, 20758995, 21428640, 22142928, 27678660, 28882080, 33214392, 36904880, 41517990, 44285856, 55357320, 66428784, 73809760, 83035980, 110714640, 132857568, 166071960, 221429280, 332143920, 664287840]

約数ペア:

[(1, 664287840), (2, 332143920), (3, 221429280), (4, 166071960), (5, 132857568), (6, 110714640), (8, 83035980), (9, 73809760), (10, 66428784), (12, 55357320), (15, 44285856), (16, 41517990), (18, 36904880), (20, 33214392), (23, 28882080), (24, 27678660), (30, 22142928), (31, 21428640), (32, 20758995), (36, 18452440), (40, 16607196), (45, 14761952), (46, 14441040), (48, 13839330), (60, 11071464), (62, 10714320), (69, 9627360), (72, 9226220), (80, 8303598), (90, 7380976), (92, 7220520), (93, 7142880), (96, 6919665), (115, 5776416), (120, 5535732), (124, 5357160), (138, 4813680), (144, 4613110), (155, 4285728), (160, 4151799), (180, 3690488), (184, 3610260), (186, 3571440), (207, 3209120), (230, 2888208), (240, 2767866), (248, 2678580), (276, 2406840), (279, 2380960), (288, 2306555), (310, 2142864), (345, 1925472), (360, 1845244), (368, 1805130), (372, 1785720), (414, 1604560), (460, 1444104), (465, 1428576), (480, 1383933), (496, 1339290), (552, 1203420), (558, 1190480), (620, 1071432), (647, 1026720), (690, 962736), (713, 931680), (720, 922622), (736, 902565), (744, 892860), (828, 802280), (920, 722052), (930, 714288), (992, 669645), (1035, 641824), (1104, 601710), (1116, 595240), (1240, 535716), (1294, 513360), (1380, 481368), (1395, 476192), (1426, 465840), (1440, 461311), (1488, 446430), (1656, 401140), (1840, 361026), (1860, 357144), (1941, 342240), (2070, 320912), (2139, 310560), (2208, 300855), (2232, 297620), (2480, 267858), (2588, 256680), (2760, 240684), (2790, 238096), (2852, 232920), (2976, 223215), (3235, 205344), (3312, 200570), (3565, 186336), (3680, 180513), (3720, 178572), (3882, 171120), (4140, 160456), (4278, 155280), (4464, 148810), (4960, 133929), (5176, 128340), (5520, 120342), (5580, 119048), (5704, 116460), (5823, 114080), (6417, 103520), (6470, 102672), (6624, 100285), (7130, 93168), (7440, 89286), (7764, 85560), (8280, 80228), (8556, 77640), (8928, 74405), (9705, 68448), (10352, 64170), (10695, 62112), (11040, 60171), (11160, 59524), (11408, 58230), (11646, 57040), (12834, 51760), (12940, 51336), (14260, 46584), (14880, 44643), (14881, 44640), (15528, 42780), (16560, 40114), (17112, 38820), (19410, 34224), (20057, 33120), (20704, 32085), (21390, 31056), (22320, 29762), (22816, 29115), (23292, 28520), (25668, 25880)]