83765720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 199203840

約数和(自身を除く): 115438120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1571, 1720, 2666, 3142, 5332, 6284, 6665, 7855, 10664, 12568, 13330, 15710, 26660, 31420, 48701, 53320, 62840, 67553, 97402, 135106, 194804, 243505, 270212, 337765, 389608, 487010, 540424, 675530, 974020, 1351060, 1948040, 2094143, 2702120, 4188286, 8376572, 10470715, 16753144, 20941430, 41882860, 83765720]

約数ペア:

[(1, 83765720), (2, 41882860), (4, 20941430), (5, 16753144), (8, 10470715), (10, 8376572), (20, 4188286), (31, 2702120), (40, 2094143), (43, 1948040), (62, 1351060), (86, 974020), (124, 675530), (155, 540424), (172, 487010), (215, 389608), (248, 337765), (310, 270212), (344, 243505), (430, 194804), (620, 135106), (860, 97402), (1240, 67553), (1333, 62840), (1571, 53320), (1720, 48701), (2666, 31420), (3142, 26660), (5332, 15710), (6284, 13330), (6665, 12568), (7855, 10664)]