123400960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 321856416

約数和(自身を除く): 198455456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 107, 128, 136, 160, 170, 212, 214, 256, 265, 272, 320, 340, 424, 428, 530, 535, 544, 640, 680, 848, 856, 901, 1060, 1070, 1088, 1280, 1360, 1696, 1712, 1802, 1819, 2120, 2140, 2176, 2720, 3392, 3424, 3604, 3638, 4240, 4280, 4352, 4505, 5440, 5671, 6784, 6848, 7208, 7276, 8480, 8560, 9010, 9095, 10880, 11342, 13568, 13696, 14416, 14552, 16960, 17120, 18020, 18190, 21760, 22684, 27392, 28355, 28832, 29104, 33920, 34240, 36040, 36380, 45368, 56710, 57664, 58208, 67840, 68480, 72080, 72760, 90736, 96407, 113420, 115328, 116416, 136960, 144160, 145520, 181472, 192814, 226840, 230656, 232832, 288320, 291040, 362944, 385628, 453680, 465664, 482035, 576640, 582080, 725888, 771256, 907360, 964070, 1153280, 1164160, 1451776, 1542512, 1814720, 1928140, 2328320, 3085024, 3629440, 3856280, 6170048, 7258880, 7712560, 12340096, 15425120, 24680192, 30850240, 61700480, 123400960]

約数ペア:

[(1, 123400960), (2, 61700480), (4, 30850240), (5, 24680192), (8, 15425120), (10, 12340096), (16, 7712560), (17, 7258880), (20, 6170048), (32, 3856280), (34, 3629440), (40, 3085024), (53, 2328320), (64, 1928140), (68, 1814720), (80, 1542512), (85, 1451776), (106, 1164160), (107, 1153280), (128, 964070), (136, 907360), (160, 771256), (170, 725888), (212, 582080), (214, 576640), (256, 482035), (265, 465664), (272, 453680), (320, 385628), (340, 362944), (424, 291040), (428, 288320), (530, 232832), (535, 230656), (544, 226840), (640, 192814), (680, 181472), (848, 145520), (856, 144160), (901, 136960), (1060, 116416), (1070, 115328), (1088, 113420), (1280, 96407), (1360, 90736), (1696, 72760), (1712, 72080), (1802, 68480), (1819, 67840), (2120, 58208), (2140, 57664), (2176, 56710), (2720, 45368), (3392, 36380), (3424, 36040), (3604, 34240), (3638, 33920), (4240, 29104), (4280, 28832), (4352, 28355), (4505, 27392), (5440, 22684), (5671, 21760), (6784, 18190), (6848, 18020), (7208, 17120), (7276, 16960), (8480, 14552), (8560, 14416), (9010, 13696), (9095, 13568), (10880, 11342)]