123145320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2381}}^1$

素因数の和:2826

約数の個数: 64

約数和(自身を含む): 370448640

約数和(自身を除く): 247303320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2381, 2586, 3448, 4310, 4762, 5172, 6465, 7143, 8620, 9524, 10344, 11905, 12930, 14286, 17240, 19048, 23810, 25860, 28572, 35715, 47620, 51720, 57144, 71430, 95240, 142860, 285720, 1026211, 2052422, 3078633, 4104844, 5131055, 6157266, 8209688, 10262110, 12314532, 15393165, 20524220, 24629064, 30786330, 41048440, 61572660, 123145320]

約数ペア:

[(1, 123145320), (2, 61572660), (3, 41048440), (4, 30786330), (5, 24629064), (6, 20524220), (8, 15393165), (10, 12314532), (12, 10262110), (15, 8209688), (20, 6157266), (24, 5131055), (30, 4104844), (40, 3078633), (60, 2052422), (120, 1026211), (431, 285720), (862, 142860), (1293, 95240), (1724, 71430), (2155, 57144), (2381, 51720), (2586, 47620), (3448, 35715), (4310, 28572), (4762, 25860), (5172, 23810), (6465, 19048), (7143, 17240), (8620, 14286), (9524, 12930), (10344, 11905)]