31368180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1213}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 88107264

約数和(自身を除く): 56739084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 862, 1213, 1293, 1724, 2155, 2426, 2586, 3639, 4310, 4852, 5172, 6065, 6465, 7278, 8620, 12130, 12930, 14556, 18195, 24260, 25860, 36390, 72780, 522803, 1045606, 1568409, 2091212, 2614015, 3136818, 5228030, 6273636, 7842045, 10456060, 15684090, 31368180]

約数ペア:

[(1, 31368180), (2, 15684090), (3, 10456060), (4, 7842045), (5, 6273636), (6, 5228030), (10, 3136818), (12, 2614015), (15, 2091212), (20, 1568409), (30, 1045606), (60, 522803), (431, 72780), (862, 36390), (1213, 25860), (1293, 24260), (1724, 18195), (2155, 14556), (2426, 12930), (2586, 12130), (3639, 8620), (4310, 7278), (4852, 6465), (5172, 6065)]