180008320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 456698880

約数和(自身を除く): 276690560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 211, 215, 248, 310, 320, 344, 422, 430, 496, 620, 640, 688, 844, 860, 992, 1055, 1240, 1333, 1376, 1688, 1720, 1984, 2110, 2480, 2666, 2752, 3376, 3440, 3968, 4220, 4960, 5332, 5504, 6541, 6665, 6752, 6880, 8440, 9073, 9920, 10664, 13082, 13330, 13504, 13760, 16880, 18146, 19840, 21328, 26164, 26660, 27008, 27520, 32705, 33760, 36292, 42656, 45365, 52328, 53320, 65410, 67520, 72584, 85312, 90730, 104656, 106640, 130820, 135040, 145168, 170624, 181460, 209312, 213280, 261640, 281263, 290336, 362920, 418624, 426560, 523280, 562526, 580672, 725840, 837248, 853120, 1046560, 1125052, 1161344, 1406315, 1451680, 2093120, 2250104, 2812630, 2903360, 4186240, 4500208, 5625260, 5806720, 9000416, 11250520, 18000832, 22501040, 36001664, 45002080, 90004160, 180008320]

約数ペア:

[(1, 180008320), (2, 90004160), (4, 45002080), (5, 36001664), (8, 22501040), (10, 18000832), (16, 11250520), (20, 9000416), (31, 5806720), (32, 5625260), (40, 4500208), (43, 4186240), (62, 2903360), (64, 2812630), (80, 2250104), (86, 2093120), (124, 1451680), (128, 1406315), (155, 1161344), (160, 1125052), (172, 1046560), (211, 853120), (215, 837248), (248, 725840), (310, 580672), (320, 562526), (344, 523280), (422, 426560), (430, 418624), (496, 362920), (620, 290336), (640, 281263), (688, 261640), (844, 213280), (860, 209312), (992, 181460), (1055, 170624), (1240, 145168), (1333, 135040), (1376, 130820), (1688, 106640), (1720, 104656), (1984, 90730), (2110, 85312), (2480, 72584), (2666, 67520), (2752, 65410), (3376, 53320), (3440, 52328), (3968, 45365), (4220, 42656), (4960, 36292), (5332, 33760), (5504, 32705), (6541, 27520), (6665, 27008), (6752, 26660), (6880, 26164), (8440, 21328), (9073, 19840), (9920, 18146), (10664, 16880), (13082, 13760), (13330, 13504)]