64380375

素因数分解:

$3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 117542880

約数和(自身を除く): 53162505

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 225, 267, 375, 445, 643, 801, 1125, 1335, 1929, 2225, 3215, 4005, 5787, 6675, 9645, 11125, 16075, 20025, 28935, 33375, 48225, 57227, 80375, 100125, 144675, 171681, 241125, 286135, 515043, 723375, 858405, 1430675, 2575215, 4292025, 7153375, 12876075, 21460125, 64380375]

約数ペア:

[(1, 64380375), (3, 21460125), (5, 12876075), (9, 7153375), (15, 4292025), (25, 2575215), (45, 1430675), (75, 858405), (89, 723375), (125, 515043), (225, 286135), (267, 241125), (375, 171681), (445, 144675), (643, 100125), (801, 80375), (1125, 57227), (1335, 48225), (1929, 33375), (2225, 28935), (3215, 20025), (4005, 16075), (5787, 11125), (6675, 9645)]