42680625

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 81873792

約数和(自身を除く): 39193167

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 103, 125, 195, 221, 255, 309, 325, 375, 425, 515, 625, 663, 975, 1105, 1275, 1339, 1545, 1625, 1751, 1875, 2125, 2575, 3315, 4017, 4875, 5253, 5525, 6375, 6695, 7725, 8125, 8755, 10625, 12875, 16575, 20085, 22763, 24375, 26265, 27625, 31875, 33475, 38625, 43775, 64375, 68289, 82875, 100425, 113815, 131325, 138125, 167375, 193125, 218875, 341445, 414375, 502125, 569075, 656625, 836875, 1094375, 1707225, 2510625, 2845375, 3283125, 8536125, 14226875, 42680625]

約数ペア:

[(1, 42680625), (3, 14226875), (5, 8536125), (13, 3283125), (15, 2845375), (17, 2510625), (25, 1707225), (39, 1094375), (51, 836875), (65, 656625), (75, 569075), (85, 502125), (103, 414375), (125, 341445), (195, 218875), (221, 193125), (255, 167375), (309, 138125), (325, 131325), (375, 113815), (425, 100425), (515, 82875), (625, 68289), (663, 64375), (975, 43775), (1105, 38625), (1275, 33475), (1339, 31875), (1545, 27625), (1625, 26265), (1751, 24375), (1875, 22763), (2125, 20085), (2575, 16575), (3315, 12875), (4017, 10625), (4875, 8755), (5253, 8125), (5525, 7725), (6375, 6695)]