66969920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 112

約数和(自身を含む): 169517568

約数和(自身を除く): 102547648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 157, 160, 172, 215, 248, 310, 314, 320, 344, 430, 496, 620, 628, 688, 785, 860, 992, 1240, 1256, 1333, 1376, 1570, 1720, 1984, 2480, 2512, 2666, 2752, 3140, 3440, 4867, 4960, 5024, 5332, 6280, 6665, 6751, 6880, 9734, 9920, 10048, 10664, 12560, 13330, 13502, 13760, 19468, 21328, 24335, 25120, 26660, 27004, 33755, 38936, 42656, 48670, 50240, 53320, 54008, 67510, 77872, 85312, 97340, 106640, 108016, 135020, 155744, 194680, 209281, 213280, 216032, 270040, 311488, 389360, 418562, 426560, 432064, 540080, 778720, 837124, 1046405, 1080160, 1557440, 1674248, 2092810, 2160320, 3348496, 4185620, 6696992, 8371240, 13393984, 16742480, 33484960, 66969920]

約数ペア:

[(1, 66969920), (2, 33484960), (4, 16742480), (5, 13393984), (8, 8371240), (10, 6696992), (16, 4185620), (20, 3348496), (31, 2160320), (32, 2092810), (40, 1674248), (43, 1557440), (62, 1080160), (64, 1046405), (80, 837124), (86, 778720), (124, 540080), (155, 432064), (157, 426560), (160, 418562), (172, 389360), (215, 311488), (248, 270040), (310, 216032), (314, 213280), (320, 209281), (344, 194680), (430, 155744), (496, 135020), (620, 108016), (628, 106640), (688, 97340), (785, 85312), (860, 77872), (992, 67510), (1240, 54008), (1256, 53320), (1333, 50240), (1376, 48670), (1570, 42656), (1720, 38936), (1984, 33755), (2480, 27004), (2512, 26660), (2666, 25120), (2752, 24335), (3140, 21328), (3440, 19468), (4867, 13760), (4960, 13502), (5024, 13330), (5332, 12560), (6280, 10664), (6665, 10048), (6751, 9920), (6880, 9734)]