28363980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4337}}^1$

素因数の和:4458

約数の個数: 48

約数和(自身を含む): 80166240

約数和(自身を除く): 51802260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 4337, 6540, 8674, 13011, 17348, 21685, 26022, 43370, 52044, 65055, 86740, 130110, 260220, 472733, 945466, 1418199, 1890932, 2363665, 2836398, 4727330, 5672796, 7090995, 9454660, 14181990, 28363980]

約数ペア:

[(1, 28363980), (2, 14181990), (3, 9454660), (4, 7090995), (5, 5672796), (6, 4727330), (10, 2836398), (12, 2363665), (15, 1890932), (20, 1418199), (30, 945466), (60, 472733), (109, 260220), (218, 130110), (327, 86740), (436, 65055), (545, 52044), (654, 43370), (1090, 26022), (1308, 21685), (1635, 17348), (2180, 13011), (3270, 8674), (4337, 6540)]