28045170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 75271680

約数和(自身を除く): 47226510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 241, 270, 431, 482, 723, 862, 1205, 1293, 1446, 2155, 2169, 2410, 2586, 3615, 3879, 4310, 4338, 6465, 6507, 7230, 7758, 10845, 11637, 12930, 13014, 19395, 21690, 23274, 32535, 38790, 58185, 65070, 103871, 116370, 207742, 311613, 519355, 623226, 934839, 1038710, 1558065, 1869678, 2804517, 3116130, 4674195, 5609034, 9348390, 14022585, 28045170]

約数ペア:

[(1, 28045170), (2, 14022585), (3, 9348390), (5, 5609034), (6, 4674195), (9, 3116130), (10, 2804517), (15, 1869678), (18, 1558065), (27, 1038710), (30, 934839), (45, 623226), (54, 519355), (90, 311613), (135, 207742), (241, 116370), (270, 103871), (431, 65070), (482, 58185), (723, 38790), (862, 32535), (1205, 23274), (1293, 21690), (1446, 19395), (2155, 13014), (2169, 12930), (2410, 11637), (2586, 10845), (3615, 7758), (3879, 7230), (4310, 6507), (4338, 6465)]