68437440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{89}}^2$

素因数の和:204

約数の個数: 168

約数和(自身を含む): 244175280

約数和(自身を除く): 175737840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 89, 90, 96, 108, 120, 135, 144, 160, 178, 180, 192, 216, 240, 267, 270, 288, 320, 356, 360, 432, 445, 480, 534, 540, 576, 712, 720, 801, 864, 890, 960, 1068, 1080, 1335, 1424, 1440, 1602, 1728, 1780, 2136, 2160, 2403, 2670, 2848, 2880, 3204, 3560, 4005, 4272, 4320, 4806, 5340, 5696, 6408, 7120, 7921, 8010, 8544, 8640, 9612, 10680, 12015, 12816, 14240, 15842, 16020, 17088, 19224, 21360, 23763, 24030, 25632, 28480, 31684, 32040, 38448, 39605, 42720, 47526, 48060, 51264, 63368, 64080, 71289, 76896, 79210, 85440, 95052, 96120, 118815, 126736, 128160, 142578, 153792, 158420, 190104, 192240, 213867, 237630, 253472, 256320, 285156, 316840, 356445, 380208, 384480, 427734, 475260, 506944, 570312, 633680, 712890, 760416, 768960, 855468, 950520, 1069335, 1140624, 1267360, 1425780, 1520832, 1710936, 1901040, 2138670, 2281248, 2534720, 2851560, 3421872, 3802080, 4277340, 4562496, 5703120, 6843744, 7604160, 8554680, 11406240, 13687488, 17109360, 22812480, 34218720, 68437440]

約数ペア:

[(1, 68437440), (2, 34218720), (3, 22812480), (4, 17109360), (5, 13687488), (6, 11406240), (8, 8554680), (9, 7604160), (10, 6843744), (12, 5703120), (15, 4562496), (16, 4277340), (18, 3802080), (20, 3421872), (24, 2851560), (27, 2534720), (30, 2281248), (32, 2138670), (36, 1901040), (40, 1710936), (45, 1520832), (48, 1425780), (54, 1267360), (60, 1140624), (64, 1069335), (72, 950520), (80, 855468), (89, 768960), (90, 760416), (96, 712890), (108, 633680), (120, 570312), (135, 506944), (144, 475260), (160, 427734), (178, 384480), (180, 380208), (192, 356445), (216, 316840), (240, 285156), (267, 256320), (270, 253472), (288, 237630), (320, 213867), (356, 192240), (360, 190104), (432, 158420), (445, 153792), (480, 142578), (534, 128160), (540, 126736), (576, 118815), (712, 96120), (720, 95052), (801, 85440), (864, 79210), (890, 76896), (960, 71289), (1068, 64080), (1080, 63368), (1335, 51264), (1424, 48060), (1440, 47526), (1602, 42720), (1728, 39605), (1780, 38448), (2136, 32040), (2160, 31684), (2403, 28480), (2670, 25632), (2848, 24030), (2880, 23763), (3204, 21360), (3560, 19224), (4005, 17088), (4272, 16020), (4320, 15842), (4806, 14240), (5340, 12816), (5696, 12015), (6408, 10680), (7120, 9612), (7921, 8640), (8010, 8544)]