28294560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 216

約数和(自身を含む): 112599396

約数和(自身を除く): 84304836

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 401, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 802, 840, 882, 980, 1008, 1120, 1176, 1203, 1260, 1440, 1470, 1568, 1604, 1680, 1764, 1960, 2005, 2016, 2205, 2352, 2406, 2520, 2807, 2940, 3208, 3360, 3528, 3609, 3920, 4010, 4410, 4704, 4812, 5040, 5614, 5880, 6015, 6416, 7056, 7218, 7840, 8020, 8421, 8820, 9624, 10080, 11228, 11760, 12030, 12832, 14035, 14112, 14436, 16040, 16842, 17640, 18045, 19248, 19649, 22456, 23520, 24060, 25263, 28070, 28872, 32080, 33684, 35280, 36090, 38496, 39298, 42105, 44912, 48120, 50526, 56140, 57744, 58947, 64160, 67368, 70560, 72180, 78596, 84210, 89824, 96240, 98245, 101052, 112280, 115488, 117894, 126315, 134736, 144360, 157192, 168420, 176841, 192480, 196490, 202104, 224560, 235788, 252630, 269472, 288720, 294735, 314384, 336840, 353682, 392980, 404208, 449120, 471576, 505260, 577440, 589470, 628768, 673680, 707364, 785960, 808416, 884205, 943152, 1010520, 1178940, 1347360, 1414728, 1571920, 1768410, 1886304, 2021040, 2357880, 2829456, 3143840, 3536820, 4042080, 4715760, 5658912, 7073640, 9431520, 14147280, 28294560]

約数ペア:

[(1, 28294560), (2, 14147280), (3, 9431520), (4, 7073640), (5, 5658912), (6, 4715760), (7, 4042080), (8, 3536820), (9, 3143840), (10, 2829456), (12, 2357880), (14, 2021040), (15, 1886304), (16, 1768410), (18, 1571920), (20, 1414728), (21, 1347360), (24, 1178940), (28, 1010520), (30, 943152), (32, 884205), (35, 808416), (36, 785960), (40, 707364), (42, 673680), (45, 628768), (48, 589470), (49, 577440), (56, 505260), (60, 471576), (63, 449120), (70, 404208), (72, 392980), (80, 353682), (84, 336840), (90, 314384), (96, 294735), (98, 288720), (105, 269472), (112, 252630), (120, 235788), (126, 224560), (140, 202104), (144, 196490), (147, 192480), (160, 176841), (168, 168420), (180, 157192), (196, 144360), (210, 134736), (224, 126315), (240, 117894), (245, 115488), (252, 112280), (280, 101052), (288, 98245), (294, 96240), (315, 89824), (336, 84210), (360, 78596), (392, 72180), (401, 70560), (420, 67368), (441, 64160), (480, 58947), (490, 57744), (504, 56140), (560, 50526), (588, 48120), (630, 44912), (672, 42105), (720, 39298), (735, 38496), (784, 36090), (802, 35280), (840, 33684), (882, 32080), (980, 28872), (1008, 28070), (1120, 25263), (1176, 24060), (1203, 23520), (1260, 22456), (1440, 19649), (1470, 19248), (1568, 18045), (1604, 17640), (1680, 16842), (1764, 16040), (1960, 14436), (2005, 14112), (2016, 14035), (2205, 12832), (2352, 12030), (2406, 11760), (2520, 11228), (2807, 10080), (2940, 9624), (3208, 8820), (3360, 8421), (3528, 8020), (3609, 7840), (3920, 7218), (4010, 7056), (4410, 6416), (4704, 6015), (4812, 5880), (5040, 5614)]