687482280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 192

約数和(自身を含む): 2316600000

約数和(自身を除く): 1629117720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 89, 90, 120, 129, 172, 178, 180, 215, 258, 267, 344, 356, 360, 387, 430, 445, 499, 516, 534, 645, 712, 774, 801, 860, 890, 998, 1032, 1068, 1290, 1335, 1497, 1548, 1602, 1720, 1780, 1935, 1996, 2136, 2495, 2580, 2670, 2994, 3096, 3204, 3560, 3827, 3870, 3992, 4005, 4491, 4990, 5160, 5340, 5988, 6408, 7485, 7654, 7740, 8010, 8982, 9980, 10680, 11481, 11976, 14970, 15308, 15480, 16020, 17964, 19135, 19960, 21457, 22455, 22962, 29940, 30616, 32040, 34443, 35928, 38270, 42914, 44411, 44910, 45924, 57405, 59880, 64371, 68886, 76540, 85828, 88822, 89820, 91848, 107285, 114810, 128742, 133233, 137772, 153080, 171656, 172215, 177644, 179640, 193113, 214570, 222055, 229620, 257484, 266466, 275544, 321855, 344430, 355288, 386226, 399699, 429140, 444110, 459240, 514968, 532932, 643710, 666165, 688860, 772452, 799398, 858280, 888220, 965565, 1065864, 1287420, 1332330, 1377720, 1544904, 1598796, 1776440, 1909673, 1931130, 1998495, 2574840, 2664660, 3197592, 3819346, 3862260, 3996990, 5329320, 5729019, 7638692, 7724520, 7993980, 9548365, 11458038, 15277384, 15987960, 17187057, 19096730, 22916076, 28645095, 34374114, 38193460, 45832152, 57290190, 68748228, 76386920, 85935285, 114580380, 137496456, 171870570, 229160760, 343741140, 687482280]

約数ペア:

[(1, 687482280), (2, 343741140), (3, 229160760), (4, 171870570), (5, 137496456), (6, 114580380), (8, 85935285), (9, 76386920), (10, 68748228), (12, 57290190), (15, 45832152), (18, 38193460), (20, 34374114), (24, 28645095), (30, 22916076), (36, 19096730), (40, 17187057), (43, 15987960), (45, 15277384), (60, 11458038), (72, 9548365), (86, 7993980), (89, 7724520), (90, 7638692), (120, 5729019), (129, 5329320), (172, 3996990), (178, 3862260), (180, 3819346), (215, 3197592), (258, 2664660), (267, 2574840), (344, 1998495), (356, 1931130), (360, 1909673), (387, 1776440), (430, 1598796), (445, 1544904), (499, 1377720), (516, 1332330), (534, 1287420), (645, 1065864), (712, 965565), (774, 888220), (801, 858280), (860, 799398), (890, 772452), (998, 688860), (1032, 666165), (1068, 643710), (1290, 532932), (1335, 514968), (1497, 459240), (1548, 444110), (1602, 429140), (1720, 399699), (1780, 386226), (1935, 355288), (1996, 344430), (2136, 321855), (2495, 275544), (2580, 266466), (2670, 257484), (2994, 229620), (3096, 222055), (3204, 214570), (3560, 193113), (3827, 179640), (3870, 177644), (3992, 172215), (4005, 171656), (4491, 153080), (4990, 137772), (5160, 133233), (5340, 128742), (5988, 114810), (6408, 107285), (7485, 91848), (7654, 89820), (7740, 88822), (8010, 85828), (8982, 76540), (9980, 68886), (10680, 64371), (11481, 59880), (11976, 57405), (14970, 45924), (15308, 44910), (15480, 44411), (16020, 42914), (17964, 38270), (19135, 35928), (19960, 34443), (21457, 32040), (22455, 30616), (22962, 29940)]