3785720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 9123840

約数和(自身を除く): 5338120

約数列:

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

約数ペア:

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