505440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{13}}^1$

素因数の和:43

約数の個数: 144

約数和(自身を含む): 1926288

約数和(自身を除く): 1420848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 486, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 972, 1040, 1053, 1080, 1170, 1215, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 1944, 2080, 2106, 2160, 2340, 2430, 2592, 2808, 3120, 3159, 3240, 3510, 3744, 3888, 4212, 4320, 4680, 4860, 5265, 5616, 6240, 6318, 6480, 7020, 7776, 8424, 9360, 9720, 10530, 11232, 12636, 12960, 14040, 15795, 16848, 18720, 19440, 21060, 25272, 28080, 31590, 33696, 38880, 42120, 50544, 56160, 63180, 84240, 101088, 126360, 168480, 252720, 505440]

約数ペア:

[(1, 505440), (2, 252720), (3, 168480), (4, 126360), (5, 101088), (6, 84240), (8, 63180), (9, 56160), (10, 50544), (12, 42120), (13, 38880), (15, 33696), (16, 31590), (18, 28080), (20, 25272), (24, 21060), (26, 19440), (27, 18720), (30, 16848), (32, 15795), (36, 14040), (39, 12960), (40, 12636), (45, 11232), (48, 10530), (52, 9720), (54, 9360), (60, 8424), (65, 7776), (72, 7020), (78, 6480), (80, 6318), (81, 6240), (90, 5616), (96, 5265), (104, 4860), (108, 4680), (117, 4320), (120, 4212), (130, 3888), (135, 3744), (144, 3510), (156, 3240), (160, 3159), (162, 3120), (180, 2808), (195, 2592), (208, 2430), (216, 2340), (234, 2160), (240, 2106), (243, 2080), (260, 1944), (270, 1872), (288, 1755), (312, 1620), (324, 1560), (351, 1440), (360, 1404), (390, 1296), (405, 1248), (416, 1215), (432, 1170), (468, 1080), (480, 1053), (486, 1040), (520, 972), (540, 936), (585, 864), (624, 810), (648, 780), (702, 720)]