18326520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 43881480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 239, 270, 284, 355, 360, 426, 478, 540, 568, 639, 710, 717, 852, 956, 1065, 1080, 1195, 1278, 1420, 1434, 1704, 1912, 1917, 2130, 2151, 2390, 2556, 2840, 2868, 3195, 3585, 3834, 4260, 4302, 4780, 5112, 5736, 6390, 6453, 7170, 7668, 8520, 8604, 9560, 9585, 10755, 12780, 12906, 14340, 15336, 16969, 17208, 19170, 21510, 25560, 25812, 28680, 32265, 33938, 38340, 43020, 50907, 51624, 64530, 67876, 76680, 84845, 86040, 101814, 129060, 135752, 152721, 169690, 203628, 254535, 258120, 305442, 339380, 407256, 458163, 509070, 610884, 678760, 763605, 916326, 1018140, 1221768, 1527210, 1832652, 2036280, 2290815, 3054420, 3665304, 4581630, 6108840, 9163260, 18326520]

約数ペア:

[(1, 18326520), (2, 9163260), (3, 6108840), (4, 4581630), (5, 3665304), (6, 3054420), (8, 2290815), (9, 2036280), (10, 1832652), (12, 1527210), (15, 1221768), (18, 1018140), (20, 916326), (24, 763605), (27, 678760), (30, 610884), (36, 509070), (40, 458163), (45, 407256), (54, 339380), (60, 305442), (71, 258120), (72, 254535), (90, 203628), (108, 169690), (120, 152721), (135, 135752), (142, 129060), (180, 101814), (213, 86040), (216, 84845), (239, 76680), (270, 67876), (284, 64530), (355, 51624), (360, 50907), (426, 43020), (478, 38340), (540, 33938), (568, 32265), (639, 28680), (710, 25812), (717, 25560), (852, 21510), (956, 19170), (1065, 17208), (1080, 16969), (1195, 15336), (1278, 14340), (1420, 12906), (1434, 12780), (1704, 10755), (1912, 9585), (1917, 9560), (2130, 8604), (2151, 8520), (2390, 7668), (2556, 7170), (2840, 6453), (2868, 6390), (3195, 5736), (3585, 5112), (3834, 4780), (4260, 4302)]