1020328960

素因数分解:

$2^{10}\times 5^1\times 7^4\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 220

約数和(自身を含む): 2889758088

約数和(自身を除く): 1869429128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 83, 98, 112, 128, 140, 160, 166, 196, 224, 245, 256, 280, 320, 332, 343, 392, 415, 448, 490, 512, 560, 581, 640, 664, 686, 784, 830, 896, 980, 1024, 1120, 1162, 1280, 1328, 1372, 1568, 1660, 1715, 1792, 1960, 2240, 2324, 2401, 2560, 2656, 2744, 2905, 3136, 3320, 3430, 3584, 3920, 4067, 4480, 4648, 4802, 5120, 5312, 5488, 5810, 6272, 6640, 6860, 7168, 7840, 8134, 8960, 9296, 9604, 10624, 10976, 11620, 12005, 12544, 13280, 13720, 15680, 16268, 17920, 18592, 19208, 20335, 21248, 21952, 23240, 24010, 25088, 26560, 27440, 28469, 31360, 32536, 35840, 37184, 38416, 40670, 42496, 43904, 46480, 48020, 50176, 53120, 54880, 56938, 62720, 65072, 74368, 76832, 81340, 84992, 87808, 92960, 96040, 106240, 109760, 113876, 125440, 130144, 142345, 148736, 153664, 162680, 175616, 185920, 192080, 199283, 212480, 219520, 227752, 250880, 260288, 284690, 297472, 307328, 325360, 351232, 371840, 384160, 398566, 424960, 439040, 455504, 520576, 569380, 594944, 614656, 650720, 743680, 768320, 797132, 878080, 911008, 996415, 1041152, 1138760, 1229312, 1301440, 1487360, 1536640, 1594264, 1756160, 1822016, 1992830, 2082304, 2277520, 2458624, 2602880, 2974720, 3073280, 3188528, 3644032, 3985660, 4164608, 4555040, 5205760, 6146560, 6377056, 7288064, 7971320, 9110080, 10411520, 12293120, 12754112, 14576128, 15942640, 18220160, 20823040, 25508224, 29152256, 31885280, 36440320, 51016448, 63770560, 72880640, 102032896, 127541120, 145761280, 204065792, 255082240, 510164480, 1020328960]

約数ペア:

[(1, 1020328960), (2, 510164480), (4, 255082240), (5, 204065792), (7, 145761280), (8, 127541120), (10, 102032896), (14, 72880640), (16, 63770560), (20, 51016448), (28, 36440320), (32, 31885280), (35, 29152256), (40, 25508224), (49, 20823040), (56, 18220160), (64, 15942640), (70, 14576128), (80, 12754112), (83, 12293120), (98, 10411520), (112, 9110080), (128, 7971320), (140, 7288064), (160, 6377056), (166, 6146560), (196, 5205760), (224, 4555040), (245, 4164608), (256, 3985660), (280, 3644032), (320, 3188528), (332, 3073280), (343, 2974720), (392, 2602880), (415, 2458624), (448, 2277520), (490, 2082304), (512, 1992830), (560, 1822016), (581, 1756160), (640, 1594264), (664, 1536640), (686, 1487360), (784, 1301440), (830, 1229312), (896, 1138760), (980, 1041152), (1024, 996415), (1120, 911008), (1162, 878080), (1280, 797132), (1328, 768320), (1372, 743680), (1568, 650720), (1660, 614656), (1715, 594944), (1792, 569380), (1960, 520576), (2240, 455504), (2324, 439040), (2401, 424960), (2560, 398566), (2656, 384160), (2744, 371840), (2905, 351232), (3136, 325360), (3320, 307328), (3430, 297472), (3584, 284690), (3920, 260288), (4067, 250880), (4480, 227752), (4648, 219520), (4802, 212480), (5120, 199283), (5312, 192080), (5488, 185920), (5810, 175616), (6272, 162680), (6640, 153664), (6860, 148736), (7168, 142345), (7840, 130144), (8134, 125440), (8960, 113876), (9296, 109760), (9604, 106240), (10624, 96040), (10976, 92960), (11620, 87808), (12005, 84992), (12544, 81340), (13280, 76832), (13720, 74368), (15680, 65072), (16268, 62720), (17920, 56938), (18592, 54880), (19208, 53120), (20335, 50176), (21248, 48020), (21952, 46480), (23240, 43904), (24010, 42496), (25088, 40670), (26560, 38416), (27440, 37184), (28469, 35840), (31360, 32536)]