220132480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:502

約数の個数: 128

約数和(自身を含む): 568180800

約数和(自身を除く): 348048320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 215, 304, 320, 344, 380, 421, 430, 608, 640, 688, 760, 817, 842, 860, 1216, 1376, 1520, 1634, 1684, 1720, 2105, 2432, 2752, 3040, 3268, 3368, 3440, 4085, 4210, 5504, 6080, 6536, 6736, 6880, 7999, 8170, 8420, 12160, 13072, 13472, 13760, 15998, 16340, 16840, 18103, 26144, 26944, 27520, 31996, 32680, 33680, 36206, 39995, 52288, 53888, 63992, 65360, 67360, 72412, 79990, 90515, 104576, 127984, 130720, 134720, 144824, 159980, 181030, 255968, 261440, 269440, 289648, 319960, 343957, 362060, 511936, 522880, 579296, 639920, 687914, 724120, 1023872, 1158592, 1279840, 1375828, 1448240, 1719785, 2317184, 2559680, 2751656, 2896480, 3439570, 5119360, 5503312, 5792960, 6879140, 11006624, 11585920, 13758280, 22013248, 27516560, 44026496, 55033120, 110066240, 220132480]

約数ペア:

[(1, 220132480), (2, 110066240), (4, 55033120), (5, 44026496), (8, 27516560), (10, 22013248), (16, 13758280), (19, 11585920), (20, 11006624), (32, 6879140), (38, 5792960), (40, 5503312), (43, 5119360), (64, 3439570), (76, 2896480), (80, 2751656), (86, 2559680), (95, 2317184), (128, 1719785), (152, 1448240), (160, 1375828), (172, 1279840), (190, 1158592), (215, 1023872), (304, 724120), (320, 687914), (344, 639920), (380, 579296), (421, 522880), (430, 511936), (608, 362060), (640, 343957), (688, 319960), (760, 289648), (817, 269440), (842, 261440), (860, 255968), (1216, 181030), (1376, 159980), (1520, 144824), (1634, 134720), (1684, 130720), (1720, 127984), (2105, 104576), (2432, 90515), (2752, 79990), (3040, 72412), (3268, 67360), (3368, 65360), (3440, 63992), (4085, 53888), (4210, 52288), (5504, 39995), (6080, 36206), (6536, 33680), (6736, 32680), (6880, 31996), (7999, 27520), (8170, 26944), (8420, 26144), (12160, 18103), (13072, 16840), (13472, 16340), (13760, 15998)]