209190480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{907}}^1$

素因数の和:985

約数の個数: 120

約数和(自身を含む): 670823136

約数和(自身を除く): 461632656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 907, 930, 961, 1240, 1488, 1814, 1860, 1922, 2480, 2721, 2883, 3628, 3720, 3844, 4535, 4805, 5442, 5766, 7256, 7440, 7688, 9070, 9610, 10884, 11532, 13605, 14415, 14512, 15376, 18140, 19220, 21768, 23064, 27210, 28117, 28830, 36280, 38440, 43536, 46128, 54420, 56234, 57660, 72560, 76880, 84351, 108840, 112468, 115320, 140585, 168702, 217680, 224936, 230640, 281170, 337404, 421755, 449872, 562340, 674808, 843510, 871627, 1124680, 1349616, 1687020, 1743254, 2249360, 2614881, 3374040, 3486508, 4358135, 5229762, 6748080, 6973016, 8716270, 10459524, 13074405, 13946032, 17432540, 20919048, 26148810, 34865080, 41838096, 52297620, 69730160, 104595240, 209190480]

約数ペア:

[(1, 209190480), (2, 104595240), (3, 69730160), (4, 52297620), (5, 41838096), (6, 34865080), (8, 26148810), (10, 20919048), (12, 17432540), (15, 13946032), (16, 13074405), (20, 10459524), (24, 8716270), (30, 6973016), (31, 6748080), (40, 5229762), (48, 4358135), (60, 3486508), (62, 3374040), (80, 2614881), (93, 2249360), (120, 1743254), (124, 1687020), (155, 1349616), (186, 1124680), (240, 871627), (248, 843510), (310, 674808), (372, 562340), (465, 449872), (496, 421755), (620, 337404), (744, 281170), (907, 230640), (930, 224936), (961, 217680), (1240, 168702), (1488, 140585), (1814, 115320), (1860, 112468), (1922, 108840), (2480, 84351), (2721, 76880), (2883, 72560), (3628, 57660), (3720, 56234), (3844, 54420), (4535, 46128), (4805, 43536), (5442, 38440), (5766, 36280), (7256, 28830), (7440, 28117), (7688, 27210), (9070, 23064), (9610, 21768), (10884, 19220), (11532, 18140), (13605, 15376), (14415, 14512)]