1620420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2976060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 239, 339, 452, 478, 565, 678, 717, 956, 1130, 1195, 1356, 1434, 1695, 2260, 2390, 2868, 3390, 3585, 4780, 6780, 7170, 14340, 27007, 54014, 81021, 108028, 135035, 162042, 270070, 324084, 405105, 540140, 810210, 1620420]

約数ペア:

[(1, 1620420), (2, 810210), (3, 540140), (4, 405105), (5, 324084), (6, 270070), (10, 162042), (12, 135035), (15, 108028), (20, 81021), (30, 54014), (60, 27007), (113, 14340), (226, 7170), (239, 6780), (339, 4780), (452, 3585), (478, 3390), (565, 2868), (678, 2390), (717, 2260), (956, 1695), (1130, 1434), (1195, 1356)]