2320280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 5702400

約数和(自身を除く): 3382120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 71, 76, 86, 95, 142, 152, 172, 190, 215, 284, 344, 355, 380, 430, 568, 710, 760, 817, 860, 1349, 1420, 1634, 1720, 2698, 2840, 3053, 3268, 4085, 5396, 6106, 6536, 6745, 8170, 10792, 12212, 13490, 15265, 16340, 24424, 26980, 30530, 32680, 53960, 58007, 61060, 116014, 122120, 232028, 290035, 464056, 580070, 1160140, 2320280]

約数ペア:

[(1, 2320280), (2, 1160140), (4, 580070), (5, 464056), (8, 290035), (10, 232028), (19, 122120), (20, 116014), (38, 61060), (40, 58007), (43, 53960), (71, 32680), (76, 30530), (86, 26980), (95, 24424), (142, 16340), (152, 15265), (172, 13490), (190, 12212), (215, 10792), (284, 8170), (344, 6745), (355, 6536), (380, 6106), (430, 5396), (568, 4085), (710, 3268), (760, 3053), (817, 2840), (860, 2698), (1349, 1720), (1420, 1634)]