28612080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{811}}^1$

素因数の和:844

約数の個数: 180

約数和(自身を含む): 111914712

約数和(自身を除く): 83302632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 811, 840, 882, 980, 1008, 1176, 1260, 1470, 1622, 1680, 1764, 1960, 2205, 2352, 2433, 2520, 2940, 3244, 3528, 3920, 4055, 4410, 4866, 5040, 5677, 5880, 6488, 7056, 7299, 8110, 8820, 9732, 11354, 11760, 12165, 12976, 14598, 16220, 17031, 17640, 19464, 22708, 24330, 28385, 29196, 32440, 34062, 35280, 36495, 38928, 39739, 45416, 48660, 51093, 56770, 58392, 64880, 68124, 72990, 79478, 85155, 90832, 97320, 102186, 113540, 116784, 119217, 136248, 145980, 158956, 170310, 194640, 198695, 204372, 227080, 238434, 255465, 272496, 291960, 317912, 340620, 357651, 397390, 408744, 454160, 476868, 510930, 583920, 596085, 635824, 681240, 715302, 794780, 817488, 953736, 1021860, 1192170, 1362480, 1430604, 1589560, 1788255, 1907472, 2043720, 2384340, 2861208, 3179120, 3576510, 4087440, 4768680, 5722416, 7153020, 9537360, 14306040, 28612080]

約数ペア:

[(1, 28612080), (2, 14306040), (3, 9537360), (4, 7153020), (5, 5722416), (6, 4768680), (7, 4087440), (8, 3576510), (9, 3179120), (10, 2861208), (12, 2384340), (14, 2043720), (15, 1907472), (16, 1788255), (18, 1589560), (20, 1430604), (21, 1362480), (24, 1192170), (28, 1021860), (30, 953736), (35, 817488), (36, 794780), (40, 715302), (42, 681240), (45, 635824), (48, 596085), (49, 583920), (56, 510930), (60, 476868), (63, 454160), (70, 408744), (72, 397390), (80, 357651), (84, 340620), (90, 317912), (98, 291960), (105, 272496), (112, 255465), (120, 238434), (126, 227080), (140, 204372), (144, 198695), (147, 194640), (168, 170310), (180, 158956), (196, 145980), (210, 136248), (240, 119217), (245, 116784), (252, 113540), (280, 102186), (294, 97320), (315, 90832), (336, 85155), (360, 79478), (392, 72990), (420, 68124), (441, 64880), (490, 58392), (504, 56770), (560, 51093), (588, 48660), (630, 45416), (720, 39739), (735, 38928), (784, 36495), (811, 35280), (840, 34062), (882, 32440), (980, 29196), (1008, 28385), (1176, 24330), (1260, 22708), (1470, 19464), (1622, 17640), (1680, 17031), (1764, 16220), (1960, 14598), (2205, 12976), (2352, 12165), (2433, 11760), (2520, 11354), (2940, 9732), (3244, 8820), (3528, 8110), (3920, 7299), (4055, 7056), (4410, 6488), (4866, 5880), (5040, 5677)]