345505280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 120

約数和(自身を含む): 881883288

約数和(自身を除く): 536378008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 467, 512, 544, 578, 640, 680, 934, 1088, 1156, 1280, 1360, 1445, 1868, 2176, 2312, 2335, 2560, 2720, 2890, 3736, 4352, 4624, 4670, 5440, 5780, 7472, 7939, 8704, 9248, 9340, 10880, 11560, 14944, 15878, 18496, 18680, 21760, 23120, 29888, 31756, 36992, 37360, 39695, 43520, 46240, 59776, 63512, 73984, 74720, 79390, 92480, 119552, 127024, 134963, 147968, 149440, 158780, 184960, 239104, 254048, 269926, 298880, 317560, 369920, 508096, 539852, 597760, 635120, 674815, 739840, 1016192, 1079704, 1195520, 1270240, 1349630, 2032384, 2159408, 2540480, 2699260, 4064768, 4318816, 5080960, 5398520, 8637632, 10161920, 10797040, 17275264, 20323840, 21594080, 34550528, 43188160, 69101056, 86376320, 172752640, 345505280]

約数ペア:

[(1, 345505280), (2, 172752640), (4, 86376320), (5, 69101056), (8, 43188160), (10, 34550528), (16, 21594080), (17, 20323840), (20, 17275264), (32, 10797040), (34, 10161920), (40, 8637632), (64, 5398520), (68, 5080960), (80, 4318816), (85, 4064768), (128, 2699260), (136, 2540480), (160, 2159408), (170, 2032384), (256, 1349630), (272, 1270240), (289, 1195520), (320, 1079704), (340, 1016192), (467, 739840), (512, 674815), (544, 635120), (578, 597760), (640, 539852), (680, 508096), (934, 369920), (1088, 317560), (1156, 298880), (1280, 269926), (1360, 254048), (1445, 239104), (1868, 184960), (2176, 158780), (2312, 149440), (2335, 147968), (2560, 134963), (2720, 127024), (2890, 119552), (3736, 92480), (4352, 79390), (4624, 74720), (4670, 73984), (5440, 63512), (5780, 59776), (7472, 46240), (7939, 43520), (8704, 39695), (9248, 37360), (9340, 36992), (10880, 31756), (11560, 29888), (14944, 23120), (15878, 21760), (18496, 18680)]