51365880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:458

約数の個数: 128

約数和(自身を含む): 172800000

約数和(自身を除く): 121434120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 239, 270, 360, 398, 478, 540, 597, 717, 796, 956, 995, 1080, 1194, 1195, 1434, 1592, 1791, 1912, 1990, 2151, 2388, 2390, 2868, 2985, 3582, 3585, 3980, 4302, 4776, 4780, 5373, 5736, 5970, 6453, 7164, 7170, 7960, 8604, 8955, 9560, 10746, 10755, 11940, 12906, 14328, 14340, 17208, 17910, 21492, 21510, 23880, 25812, 26865, 28680, 32265, 35820, 42984, 43020, 47561, 51624, 53730, 64530, 71640, 86040, 95122, 107460, 129060, 142683, 190244, 214920, 237805, 258120, 285366, 380488, 428049, 475610, 570732, 713415, 856098, 951220, 1141464, 1284147, 1426830, 1712196, 1902440, 2140245, 2568294, 2853660, 3424392, 4280490, 5136588, 5707320, 6420735, 8560980, 10273176, 12841470, 17121960, 25682940, 51365880]

約数ペア:

[(1, 51365880), (2, 25682940), (3, 17121960), (4, 12841470), (5, 10273176), (6, 8560980), (8, 6420735), (9, 5707320), (10, 5136588), (12, 4280490), (15, 3424392), (18, 2853660), (20, 2568294), (24, 2140245), (27, 1902440), (30, 1712196), (36, 1426830), (40, 1284147), (45, 1141464), (54, 951220), (60, 856098), (72, 713415), (90, 570732), (108, 475610), (120, 428049), (135, 380488), (180, 285366), (199, 258120), (216, 237805), (239, 214920), (270, 190244), (360, 142683), (398, 129060), (478, 107460), (540, 95122), (597, 86040), (717, 71640), (796, 64530), (956, 53730), (995, 51624), (1080, 47561), (1194, 43020), (1195, 42984), (1434, 35820), (1592, 32265), (1791, 28680), (1912, 26865), (1990, 25812), (2151, 23880), (2388, 21510), (2390, 21492), (2868, 17910), (2985, 17208), (3582, 14340), (3585, 14328), (3980, 12906), (4302, 11940), (4776, 10755), (4780, 10746), (5373, 9560), (5736, 8955), (5970, 8604), (6453, 7960), (7164, 7170)]