72639975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 125388800

約数和(自身を除く): 52748825

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 157, 199, 465, 471, 597, 775, 785, 995, 2325, 2355, 2985, 3925, 4867, 4975, 6169, 11775, 14601, 14925, 18507, 24335, 30845, 31243, 73005, 92535, 93729, 121675, 154225, 156215, 365025, 462675, 468645, 781075, 968533, 2343225, 2905599, 4842665, 14527995, 24213325, 72639975]

約数ペア:

[(1, 72639975), (3, 24213325), (5, 14527995), (15, 4842665), (25, 2905599), (31, 2343225), (75, 968533), (93, 781075), (155, 468645), (157, 462675), (199, 365025), (465, 156215), (471, 154225), (597, 121675), (775, 93729), (785, 92535), (995, 73005), (2325, 31243), (2355, 30845), (2985, 24335), (3925, 18507), (4867, 14925), (4975, 14601), (6169, 11775)]