687229920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4119

約数の個数: 240

約数和(自身を含む): 2612554560

約数和(自身を除く): 1925324640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 4079, 4212, 4320, 4680, 5265, 5616, 6240, 6480, 7020, 8158, 8424, 9360, 10530, 11232, 12237, 12960, 14040, 16316, 16848, 18720, 20395, 21060, 24474, 28080, 32632, 33696, 36711, 40790, 42120, 48948, 53027, 56160, 61185, 65264, 73422, 81580, 84240, 97896, 106054, 110133, 122370, 130528, 146844, 159081, 163160, 168480, 183555, 195792, 212108, 220266, 244740, 265135, 293688, 318162, 326320, 330399, 367110, 391584, 424216, 440532, 477243, 489480, 530270, 550665, 587376, 636324, 652640, 660798, 734220, 795405, 848432, 881064, 954486, 978960, 1060540, 1101330, 1174752, 1272648, 1321596, 1431729, 1468440, 1590810, 1651995, 1696864, 1762128, 1908972, 1957920, 2121080, 2202660, 2386215, 2545296, 2643192, 2863458, 2936880, 3181620, 3303990, 3524256, 3817944, 4242160, 4295187, 4405320, 4772430, 5090592, 5286384, 5726916, 5873760, 6363240, 6607980, 7158645, 7635888, 8484320, 8590374, 8810640, 9544860, 10572768, 11453832, 12726480, 13215960, 14317290, 15271776, 17180748, 17621280, 19089720, 21475935, 22907664, 25452960, 26431920, 28634580, 34361496, 38179440, 42951870, 45815328, 52863840, 57269160, 68722992, 76358880, 85903740, 114538320, 137445984, 171807480, 229076640, 343614960, 687229920]

約数ペア:

[(1, 687229920), (2, 343614960), (3, 229076640), (4, 171807480), (5, 137445984), (6, 114538320), (8, 85903740), (9, 76358880), (10, 68722992), (12, 57269160), (13, 52863840), (15, 45815328), (16, 42951870), (18, 38179440), (20, 34361496), (24, 28634580), (26, 26431920), (27, 25452960), (30, 22907664), (32, 21475935), (36, 19089720), (39, 17621280), (40, 17180748), (45, 15271776), (48, 14317290), (52, 13215960), (54, 12726480), (60, 11453832), (65, 10572768), (72, 9544860), (78, 8810640), (80, 8590374), (81, 8484320), (90, 7635888), (96, 7158645), (104, 6607980), (108, 6363240), (117, 5873760), (120, 5726916), (130, 5286384), (135, 5090592), (144, 4772430), (156, 4405320), (160, 4295187), (162, 4242160), (180, 3817944), (195, 3524256), (208, 3303990), (216, 3181620), (234, 2936880), (240, 2863458), (260, 2643192), (270, 2545296), (288, 2386215), (312, 2202660), (324, 2121080), (351, 1957920), (360, 1908972), (390, 1762128), (405, 1696864), (416, 1651995), (432, 1590810), (468, 1468440), (480, 1431729), (520, 1321596), (540, 1272648), (585, 1174752), (624, 1101330), (648, 1060540), (702, 978960), (720, 954486), (780, 881064), (810, 848432), (864, 795405), (936, 734220), (1040, 660798), (1053, 652640), (1080, 636324), (1170, 587376), (1248, 550665), (1296, 530270), (1404, 489480), (1440, 477243), (1560, 440532), (1620, 424216), (1755, 391584), (1872, 367110), (2080, 330399), (2106, 326320), (2160, 318162), (2340, 293688), (2592, 265135), (2808, 244740), (3120, 220266), (3240, 212108), (3510, 195792), (3744, 183555), (4079, 168480), (4212, 163160), (4320, 159081), (4680, 146844), (5265, 130528), (5616, 122370), (6240, 110133), (6480, 106054), (7020, 97896), (8158, 84240), (8424, 81580), (9360, 73422), (10530, 65264), (11232, 61185), (12237, 56160), (12960, 53027), (14040, 48948), (16316, 42120), (16848, 40790), (18720, 36711), (20395, 33696), (21060, 32632), (24474, 28080)]