64938900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16651}}^1$

素因数の和:16681

約数の個数: 72

約数和(自身を含む): 202355104

約数和(自身を除く): 137416204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 16651, 33302, 49953, 66604, 83255, 99906, 166510, 199812, 216463, 249765, 333020, 416275, 432926, 499530, 649389, 832550, 865852, 999060, 1082315, 1248825, 1298778, 1665100, 2164630, 2497650, 2597556, 3246945, 4329260, 4995300, 5411575, 6493890, 10823150, 12987780, 16234725, 21646300, 32469450, 64938900]

約数ペア:

[(1, 64938900), (2, 32469450), (3, 21646300), (4, 16234725), (5, 12987780), (6, 10823150), (10, 6493890), (12, 5411575), (13, 4995300), (15, 4329260), (20, 3246945), (25, 2597556), (26, 2497650), (30, 2164630), (39, 1665100), (50, 1298778), (52, 1248825), (60, 1082315), (65, 999060), (75, 865852), (78, 832550), (100, 649389), (130, 499530), (150, 432926), (156, 416275), (195, 333020), (260, 249765), (300, 216463), (325, 199812), (390, 166510), (650, 99906), (780, 83255), (975, 66604), (1300, 49953), (1950, 33302), (3900, 16651)]