64732120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 154275840

約数和(自身を除く): 89543720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 991, 1420, 1633, 1982, 2840, 3266, 3964, 4955, 6532, 7928, 8165, 9910, 13064, 16330, 19820, 22793, 32660, 39640, 45586, 65320, 70361, 91172, 113965, 140722, 182344, 227930, 281444, 351805, 455860, 562888, 703610, 911720, 1407220, 1618303, 2814440, 3236606, 6473212, 8091515, 12946424, 16183030, 32366060, 64732120]

約数ペア:

[(1, 64732120), (2, 32366060), (4, 16183030), (5, 12946424), (8, 8091515), (10, 6473212), (20, 3236606), (23, 2814440), (40, 1618303), (46, 1407220), (71, 911720), (92, 703610), (115, 562888), (142, 455860), (184, 351805), (230, 281444), (284, 227930), (355, 182344), (460, 140722), (568, 113965), (710, 91172), (920, 70361), (991, 65320), (1420, 45586), (1633, 39640), (1982, 32660), (2840, 22793), (3266, 19820), (3964, 16330), (4955, 13064), (6532, 9910), (7928, 8165)]