65431660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 161164080

約数和(自身を除く): 95732420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 373, 490, 716, 746, 895, 980, 1253, 1492, 1790, 1865, 2506, 2611, 3580, 3730, 5012, 5222, 6265, 7460, 8771, 10444, 12530, 13055, 17542, 18277, 25060, 26110, 35084, 36554, 43855, 52220, 66767, 73108, 87710, 91385, 133534, 175420, 182770, 267068, 333835, 365540, 467369, 667670, 934738, 1335340, 1869476, 2336845, 3271583, 4673690, 6543166, 9347380, 13086332, 16357915, 32715830, 65431660]

約数ペア:

[(1, 65431660), (2, 32715830), (4, 16357915), (5, 13086332), (7, 9347380), (10, 6543166), (14, 4673690), (20, 3271583), (28, 2336845), (35, 1869476), (49, 1335340), (70, 934738), (98, 667670), (140, 467369), (179, 365540), (196, 333835), (245, 267068), (358, 182770), (373, 175420), (490, 133534), (716, 91385), (746, 87710), (895, 73108), (980, 66767), (1253, 52220), (1492, 43855), (1790, 36554), (1865, 35084), (2506, 26110), (2611, 25060), (3580, 18277), (3730, 17542), (5012, 13055), (5222, 12530), (6265, 10444), (7460, 8771)]