645300

素因数分解:

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

素因数の和:262

約数の個数: 72

約数和(自身を含む): 2083200

約数和(自身を除く): 1437900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 239, 270, 300, 450, 478, 540, 675, 717, 900, 956, 1195, 1350, 1434, 2151, 2390, 2700, 2868, 3585, 4302, 4780, 5975, 6453, 7170, 8604, 10755, 11950, 12906, 14340, 17925, 21510, 23900, 25812, 32265, 35850, 43020, 53775, 64530, 71700, 107550, 129060, 161325, 215100, 322650, 645300]

約数ペア:

[(1, 645300), (2, 322650), (3, 215100), (4, 161325), (5, 129060), (6, 107550), (9, 71700), (10, 64530), (12, 53775), (15, 43020), (18, 35850), (20, 32265), (25, 25812), (27, 23900), (30, 21510), (36, 17925), (45, 14340), (50, 12906), (54, 11950), (60, 10755), (75, 8604), (90, 7170), (100, 6453), (108, 5975), (135, 4780), (150, 4302), (180, 3585), (225, 2868), (239, 2700), (270, 2390), (300, 2151), (450, 1434), (478, 1350), (540, 1195), (675, 956), (717, 900)]