105680240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 259792896

約数和(自身を除く): 154112656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 991, 1240, 1333, 1720, 1982, 2480, 2666, 3440, 3964, 4955, 5332, 6665, 7928, 9910, 10664, 13330, 15856, 19820, 21328, 26660, 30721, 39640, 42613, 53320, 61442, 79280, 85226, 106640, 122884, 153605, 170452, 213065, 245768, 307210, 340904, 426130, 491536, 614420, 681808, 852260, 1228840, 1321003, 1704520, 2457680, 2642006, 3409040, 5284012, 6605015, 10568024, 13210030, 21136048, 26420060, 52840120, 105680240]

約数ペア:

[(1, 105680240), (2, 52840120), (4, 26420060), (5, 21136048), (8, 13210030), (10, 10568024), (16, 6605015), (20, 5284012), (31, 3409040), (40, 2642006), (43, 2457680), (62, 1704520), (80, 1321003), (86, 1228840), (124, 852260), (155, 681808), (172, 614420), (215, 491536), (248, 426130), (310, 340904), (344, 307210), (430, 245768), (496, 213065), (620, 170452), (688, 153605), (860, 122884), (991, 106640), (1240, 85226), (1333, 79280), (1720, 61442), (1982, 53320), (2480, 42613), (2666, 39640), (3440, 30721), (3964, 26660), (4955, 21328), (5332, 19820), (6665, 15856), (7928, 13330), (9910, 10664)]