28113120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2789}}^1$

素因数の和:2817

約数の個数: 144

約数和(自身を含む): 109680480

約数和(自身を除く): 81567360

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, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 2789, 3360, 5040, 5578, 8367, 10080, 11156, 13945, 16734, 19523, 22312, 25101, 27890, 33468, 39046, 41835, 44624, 50202, 55780, 58569, 66936, 78092, 83670, 89248, 97615, 100404, 111560, 117138, 125505, 133872, 156184, 167340, 175707, 195230, 200808, 223120, 234276, 251010, 267744, 292845, 312368, 334680, 351414, 390460, 401616, 446240, 468552, 502020, 585690, 624736, 669360, 702828, 780920, 803232, 878535, 937104, 1004040, 1171380, 1338720, 1405656, 1561840, 1757070, 1874208, 2008080, 2342760, 2811312, 3123680, 3514140, 4016160, 4685520, 5622624, 7028280, 9371040, 14056560, 28113120]

約数ペア:

[(1, 28113120), (2, 14056560), (3, 9371040), (4, 7028280), (5, 5622624), (6, 4685520), (7, 4016160), (8, 3514140), (9, 3123680), (10, 2811312), (12, 2342760), (14, 2008080), (15, 1874208), (16, 1757070), (18, 1561840), (20, 1405656), (21, 1338720), (24, 1171380), (28, 1004040), (30, 937104), (32, 878535), (35, 803232), (36, 780920), (40, 702828), (42, 669360), (45, 624736), (48, 585690), (56, 502020), (60, 468552), (63, 446240), (70, 401616), (72, 390460), (80, 351414), (84, 334680), (90, 312368), (96, 292845), (105, 267744), (112, 251010), (120, 234276), (126, 223120), (140, 200808), (144, 195230), (160, 175707), (168, 167340), (180, 156184), (210, 133872), (224, 125505), (240, 117138), (252, 111560), (280, 100404), (288, 97615), (315, 89248), (336, 83670), (360, 78092), (420, 66936), (480, 58569), (504, 55780), (560, 50202), (630, 44624), (672, 41835), (720, 39046), (840, 33468), (1008, 27890), (1120, 25101), (1260, 22312), (1440, 19523), (1680, 16734), (2016, 13945), (2520, 11156), (2789, 10080), (3360, 8367), (5040, 5578)]