28947240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{547}}^1$

素因数の和:581

約数の個数: 192

約数和(自身を含む): 112449600

約数和(自身を除く): 83502360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 547, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1094, 1176, 1260, 1323, 1470, 1512, 1641, 1764, 1890, 1960, 2188, 2205, 2520, 2646, 2735, 2940, 3282, 3528, 3780, 3829, 4376, 4410, 4923, 5292, 5470, 5880, 6564, 6615, 7560, 7658, 8205, 8820, 9846, 10584, 10940, 11487, 13128, 13230, 14769, 15316, 16410, 17640, 19145, 19692, 21880, 22974, 24615, 26460, 26803, 29538, 30632, 32820, 34461, 38290, 39384, 45948, 49230, 52920, 53606, 57435, 59076, 65640, 68922, 73845, 76580, 80409, 91896, 98460, 103383, 107212, 114870, 118152, 134015, 137844, 147690, 153160, 160818, 172305, 196920, 206766, 214424, 229740, 241227, 268030, 275688, 295380, 321636, 344610, 402045, 413532, 459480, 482454, 516915, 536060, 590760, 643272, 689220, 723681, 804090, 827064, 964908, 1033830, 1072120, 1206135, 1378440, 1447362, 1608180, 1929816, 2067660, 2412270, 2894724, 3216360, 3618405, 4135320, 4824540, 5789448, 7236810, 9649080, 14473620, 28947240]

約数ペア:

[(1, 28947240), (2, 14473620), (3, 9649080), (4, 7236810), (5, 5789448), (6, 4824540), (7, 4135320), (8, 3618405), (9, 3216360), (10, 2894724), (12, 2412270), (14, 2067660), (15, 1929816), (18, 1608180), (20, 1447362), (21, 1378440), (24, 1206135), (27, 1072120), (28, 1033830), (30, 964908), (35, 827064), (36, 804090), (40, 723681), (42, 689220), (45, 643272), (49, 590760), (54, 536060), (56, 516915), (60, 482454), (63, 459480), (70, 413532), (72, 402045), (84, 344610), (90, 321636), (98, 295380), (105, 275688), (108, 268030), (120, 241227), (126, 229740), (135, 214424), (140, 206766), (147, 196920), (168, 172305), (180, 160818), (189, 153160), (196, 147690), (210, 137844), (216, 134015), (245, 118152), (252, 114870), (270, 107212), (280, 103383), (294, 98460), (315, 91896), (360, 80409), (378, 76580), (392, 73845), (420, 68922), (441, 65640), (490, 59076), (504, 57435), (540, 53606), (547, 52920), (588, 49230), (630, 45948), (735, 39384), (756, 38290), (840, 34461), (882, 32820), (945, 30632), (980, 29538), (1080, 26803), (1094, 26460), (1176, 24615), (1260, 22974), (1323, 21880), (1470, 19692), (1512, 19145), (1641, 17640), (1764, 16410), (1890, 15316), (1960, 14769), (2188, 13230), (2205, 13128), (2520, 11487), (2646, 10940), (2735, 10584), (2940, 9846), (3282, 8820), (3528, 8205), (3780, 7658), (3829, 7560), (4376, 6615), (4410, 6564), (4923, 5880), (5292, 5470)]