7571440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 18855936

約数和(自身を除く): 11284496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 71, 80, 86, 124, 142, 155, 172, 215, 248, 284, 310, 344, 355, 430, 496, 568, 620, 688, 710, 860, 1136, 1240, 1333, 1420, 1720, 2201, 2480, 2666, 2840, 3053, 3440, 4402, 5332, 5680, 6106, 6665, 8804, 10664, 11005, 12212, 13330, 15265, 17608, 21328, 22010, 24424, 26660, 30530, 35216, 44020, 48848, 53320, 61060, 88040, 94643, 106640, 122120, 176080, 189286, 244240, 378572, 473215, 757144, 946430, 1514288, 1892860, 3785720, 7571440]

約数ペア:

[(1, 7571440), (2, 3785720), (4, 1892860), (5, 1514288), (8, 946430), (10, 757144), (16, 473215), (20, 378572), (31, 244240), (40, 189286), (43, 176080), (62, 122120), (71, 106640), (80, 94643), (86, 88040), (124, 61060), (142, 53320), (155, 48848), (172, 44020), (215, 35216), (248, 30530), (284, 26660), (310, 24424), (344, 22010), (355, 21328), (430, 17608), (496, 15265), (568, 13330), (620, 12212), (688, 11005), (710, 10664), (860, 8804), (1136, 6665), (1240, 6106), (1333, 5680), (1420, 5332), (1720, 4402), (2201, 3440), (2480, 3053), (2666, 2840)]