678485600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{65239}}^1$

素因数の和:65272

約数の個数: 72

約数和(自身を含む): 1783792080

約数和(自身を除く): 1105306480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 65239, 130478, 260956, 326195, 521912, 652390, 848107, 1043824, 1304780, 1630975, 1696214, 2087648, 2609560, 3261950, 3392428, 4240535, 5219120, 6523900, 6784856, 8481070, 10438240, 13047800, 13569712, 16962140, 21202675, 26095600, 27139424, 33924280, 42405350, 52191200, 67848560, 84810700, 135697120, 169621400, 339242800, 678485600]

約数ペア:

[(1, 678485600), (2, 339242800), (4, 169621400), (5, 135697120), (8, 84810700), (10, 67848560), (13, 52191200), (16, 42405350), (20, 33924280), (25, 27139424), (26, 26095600), (32, 21202675), (40, 16962140), (50, 13569712), (52, 13047800), (65, 10438240), (80, 8481070), (100, 6784856), (104, 6523900), (130, 5219120), (160, 4240535), (200, 3392428), (208, 3261950), (260, 2609560), (325, 2087648), (400, 1696214), (416, 1630975), (520, 1304780), (650, 1043824), (800, 848107), (1040, 652390), (1300, 521912), (2080, 326195), (2600, 260956), (5200, 130478), (10400, 65239)]