123222520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2396

約数の個数: 64

約数和(自身を含む): 292976640

約数和(自身を除く): 169754120

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, 1720, 2311, 2666, 4622, 5332, 6665, 9244, 10664, 11555, 13330, 18488, 23110, 26660, 46220, 53320, 71641, 92440, 99373, 143282, 198746, 286564, 358205, 397492, 496865, 573128, 716410, 794984, 993730, 1432820, 1987460, 2865640, 3080563, 3974920, 6161126, 12322252, 15402815, 24644504, 30805630, 61611260, 123222520]

約数ペア:

[(1, 123222520), (2, 61611260), (4, 30805630), (5, 24644504), (8, 15402815), (10, 12322252), (20, 6161126), (31, 3974920), (40, 3080563), (43, 2865640), (62, 1987460), (86, 1432820), (124, 993730), (155, 794984), (172, 716410), (215, 573128), (248, 496865), (310, 397492), (344, 358205), (430, 286564), (620, 198746), (860, 143282), (1240, 99373), (1333, 92440), (1720, 71641), (2311, 53320), (2666, 46220), (4622, 26660), (5332, 23110), (6665, 18488), (9244, 13330), (10664, 11555)]