127992320

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 120

約数和(自身を含む): 327879684

約数和(自身を除く): 199887364

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 173, 256, 272, 289, 320, 340, 346, 512, 544, 578, 640, 680, 692, 865, 1088, 1156, 1280, 1360, 1384, 1445, 1730, 2176, 2312, 2560, 2720, 2768, 2890, 2941, 3460, 4352, 4624, 5440, 5536, 5780, 5882, 6920, 8704, 9248, 10880, 11072, 11560, 11764, 13840, 14705, 18496, 21760, 22144, 23120, 23528, 27680, 29410, 36992, 43520, 44288, 46240, 47056, 49997, 55360, 58820, 73984, 88576, 92480, 94112, 99994, 110720, 117640, 147968, 184960, 188224, 199988, 221440, 235280, 249985, 369920, 376448, 399976, 442880, 470560, 499970, 739840, 752896, 799952, 941120, 999940, 1505792, 1599904, 1882240, 1999880, 3199808, 3764480, 3999760, 6399616, 7528960, 7999520, 12799232, 15999040, 25598464, 31998080, 63996160, 127992320]

約数ペア:

[(1, 127992320), (2, 63996160), (4, 31998080), (5, 25598464), (8, 15999040), (10, 12799232), (16, 7999520), (17, 7528960), (20, 6399616), (32, 3999760), (34, 3764480), (40, 3199808), (64, 1999880), (68, 1882240), (80, 1599904), (85, 1505792), (128, 999940), (136, 941120), (160, 799952), (170, 752896), (173, 739840), (256, 499970), (272, 470560), (289, 442880), (320, 399976), (340, 376448), (346, 369920), (512, 249985), (544, 235280), (578, 221440), (640, 199988), (680, 188224), (692, 184960), (865, 147968), (1088, 117640), (1156, 110720), (1280, 99994), (1360, 94112), (1384, 92480), (1445, 88576), (1730, 73984), (2176, 58820), (2312, 55360), (2560, 49997), (2720, 47056), (2768, 46240), (2890, 44288), (2941, 43520), (3460, 36992), (4352, 29410), (4624, 27680), (5440, 23528), (5536, 23120), (5780, 22144), (5882, 21760), (6920, 18496), (8704, 14705), (9248, 13840), (10880, 11764), (11072, 11560)]