64564875

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 120463200

約数和(自身を除く): 55898325

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 1125, 1305, 1979, 2175, 3625, 5937, 6525, 9895, 10875, 17811, 29685, 32625, 49475, 57391, 89055, 148425, 172173, 247375, 286955, 445275, 516519, 742125, 860865, 1434775, 2226375, 2582595, 4304325, 7173875, 12912975, 21521625, 64564875]

約数ペア:

[(1, 64564875), (3, 21521625), (5, 12912975), (9, 7173875), (15, 4304325), (25, 2582595), (29, 2226375), (45, 1434775), (75, 860865), (87, 742125), (125, 516519), (145, 445275), (225, 286955), (261, 247375), (375, 172173), (435, 148425), (725, 89055), (1125, 57391), (1305, 49475), (1979, 32625), (2175, 29685), (3625, 17811), (5937, 10875), (6525, 9895)]