123721320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23977}}^1$

素因数の和:24034

約数の個数: 64

約数和(自身を含む): 379811520

約数和(自身を除く): 256090200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 23977, 47954, 71931, 95908, 119885, 143862, 191816, 239770, 287724, 359655, 479540, 575448, 719310, 959080, 1031011, 1438620, 2062022, 2877240, 3093033, 4124044, 5155055, 6186066, 8248088, 10310110, 12372132, 15465165, 20620220, 24744264, 30930330, 41240440, 61860660, 123721320]

約数ペア:

[(1, 123721320), (2, 61860660), (3, 41240440), (4, 30930330), (5, 24744264), (6, 20620220), (8, 15465165), (10, 12372132), (12, 10310110), (15, 8248088), (20, 6186066), (24, 5155055), (30, 4124044), (40, 3093033), (43, 2877240), (60, 2062022), (86, 1438620), (120, 1031011), (129, 959080), (172, 719310), (215, 575448), (258, 479540), (344, 359655), (430, 287724), (516, 239770), (645, 191816), (860, 143862), (1032, 119885), (1290, 95908), (1720, 71931), (2580, 47954), (5160, 23977)]