643232640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 2157373440

約数和(自身を除く): 1514140800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 101, 107, 120, 124, 128, 155, 160, 186, 192, 202, 214, 240, 248, 303, 310, 320, 321, 372, 384, 404, 428, 465, 480, 496, 505, 535, 606, 620, 640, 642, 744, 808, 856, 930, 960, 992, 1010, 1070, 1212, 1240, 1284, 1488, 1515, 1605, 1616, 1712, 1860, 1920, 1984, 2020, 2140, 2424, 2480, 2568, 2976, 3030, 3131, 3210, 3232, 3317, 3424, 3720, 3968, 4040, 4280, 4848, 4960, 5136, 5952, 6060, 6262, 6420, 6464, 6634, 6848, 7440, 8080, 8560, 9393, 9696, 9920, 9951, 10272, 10807, 11904, 12120, 12524, 12840, 12928, 13268, 13696, 14880, 15655, 16160, 16585, 17120, 18786, 19392, 19840, 19902, 20544, 21614, 24240, 25048, 25680, 26536, 29760, 31310, 32320, 32421, 33170, 34240, 37572, 38784, 39804, 41088, 43228, 46965, 48480, 49755, 50096, 51360, 53072, 54035, 59520, 62620, 64640, 64842, 66340, 68480, 75144, 79608, 86456, 93930, 96960, 99510, 100192, 102720, 106144, 108070, 125240, 129684, 132680, 150288, 159216, 162105, 172912, 187860, 193920, 199020, 200384, 205440, 212288, 216140, 250480, 259368, 265360, 300576, 318432, 324210, 335017, 345824, 375720, 398040, 400768, 424576, 432280, 500960, 518736, 530720, 601152, 636864, 648420, 670034, 691648, 751440, 796080, 864560, 1001920, 1005051, 1037472, 1061440, 1202304, 1273728, 1296840, 1340068, 1383296, 1502880, 1592160, 1675085, 1729120, 2003840, 2010102, 2074944, 2122880, 2593680, 2680136, 3005760, 3184320, 3350170, 3458240, 4020204, 4149888, 5025255, 5187360, 5360272, 6011520, 6368640, 6700340, 6916480, 8040408, 10050510, 10374720, 10720544, 13400680, 16080816, 20101020, 20749440, 21441088, 26801360, 32161632, 40202040, 42882176, 53602720, 64323264, 80404080, 107205440, 128646528, 160808160, 214410880, 321616320, 643232640]

約数ペア:

[(1, 643232640), (2, 321616320), (3, 214410880), (4, 160808160), (5, 128646528), (6, 107205440), (8, 80404080), (10, 64323264), (12, 53602720), (15, 42882176), (16, 40202040), (20, 32161632), (24, 26801360), (30, 21441088), (31, 20749440), (32, 20101020), (40, 16080816), (48, 13400680), (60, 10720544), (62, 10374720), (64, 10050510), (80, 8040408), (93, 6916480), (96, 6700340), (101, 6368640), (107, 6011520), (120, 5360272), (124, 5187360), (128, 5025255), (155, 4149888), (160, 4020204), (186, 3458240), (192, 3350170), (202, 3184320), (214, 3005760), (240, 2680136), (248, 2593680), (303, 2122880), (310, 2074944), (320, 2010102), (321, 2003840), (372, 1729120), (384, 1675085), (404, 1592160), (428, 1502880), (465, 1383296), (480, 1340068), (496, 1296840), (505, 1273728), (535, 1202304), (606, 1061440), (620, 1037472), (640, 1005051), (642, 1001920), (744, 864560), (808, 796080), (856, 751440), (930, 691648), (960, 670034), (992, 648420), (1010, 636864), (1070, 601152), (1212, 530720), (1240, 518736), (1284, 500960), (1488, 432280), (1515, 424576), (1605, 400768), (1616, 398040), (1712, 375720), (1860, 345824), (1920, 335017), (1984, 324210), (2020, 318432), (2140, 300576), (2424, 265360), (2480, 259368), (2568, 250480), (2976, 216140), (3030, 212288), (3131, 205440), (3210, 200384), (3232, 199020), (3317, 193920), (3424, 187860), (3720, 172912), (3968, 162105), (4040, 159216), (4280, 150288), (4848, 132680), (4960, 129684), (5136, 125240), (5952, 108070), (6060, 106144), (6262, 102720), (6420, 100192), (6464, 99510), (6634, 96960), (6848, 93930), (7440, 86456), (8080, 79608), (8560, 75144), (9393, 68480), (9696, 66340), (9920, 64842), (9951, 64640), (10272, 62620), (10807, 59520), (11904, 54035), (12120, 53072), (12524, 51360), (12840, 50096), (12928, 49755), (13268, 48480), (13696, 46965), (14880, 43228), (15655, 41088), (16160, 39804), (16585, 38784), (17120, 37572), (18786, 34240), (19392, 33170), (19840, 32421), (19902, 32320), (20544, 31310), (21614, 29760), (24240, 26536), (25048, 25680)]