72247875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 145566720

約数和(自身を除く): 73318845

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 875, 1275, 1619, 1785, 2125, 2625, 2975, 4857, 6375, 8095, 8925, 11333, 14875, 24285, 27523, 33999, 40475, 44625, 56665, 82569, 121425, 137615, 169995, 192661, 202375, 283325, 412845, 577983, 607125, 688075, 849975, 963305, 1416625, 2064225, 2889915, 3440375, 4249875, 4816525, 10321125, 14449575, 24082625, 72247875]

約数ペア:

[(1, 72247875), (3, 24082625), (5, 14449575), (7, 10321125), (15, 4816525), (17, 4249875), (21, 3440375), (25, 2889915), (35, 2064225), (51, 1416625), (75, 963305), (85, 849975), (105, 688075), (119, 607125), (125, 577983), (175, 412845), (255, 283325), (357, 202375), (375, 192661), (425, 169995), (525, 137615), (595, 121425), (875, 82569), (1275, 56665), (1619, 44625), (1785, 40475), (2125, 33999), (2625, 27523), (2975, 24285), (4857, 14875), (6375, 11333), (8095, 8925)]