28398720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{2113}}^1$

素因数の和:2142

約数の個数: 128

約数和(自身を含む): 103501440

約数和(自身を除く): 75102720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2113, 2240, 2688, 3360, 4226, 4480, 6339, 6720, 8452, 10565, 12678, 13440, 14791, 16904, 21130, 25356, 29582, 31695, 33808, 42260, 44373, 50712, 59164, 63390, 67616, 73955, 84520, 88746, 101424, 118328, 126780, 135232, 147910, 169040, 177492, 202848, 221865, 236656, 253560, 270464, 295820, 338080, 354984, 405696, 443730, 473312, 507120, 591640, 676160, 709968, 811392, 887460, 946624, 1014240, 1183280, 1352320, 1419936, 1774920, 1893248, 2028480, 2366560, 2839872, 3549840, 4056960, 4733120, 5679744, 7099680, 9466240, 14199360, 28398720]

約数ペア:

[(1, 28398720), (2, 14199360), (3, 9466240), (4, 7099680), (5, 5679744), (6, 4733120), (7, 4056960), (8, 3549840), (10, 2839872), (12, 2366560), (14, 2028480), (15, 1893248), (16, 1774920), (20, 1419936), (21, 1352320), (24, 1183280), (28, 1014240), (30, 946624), (32, 887460), (35, 811392), (40, 709968), (42, 676160), (48, 591640), (56, 507120), (60, 473312), (64, 443730), (70, 405696), (80, 354984), (84, 338080), (96, 295820), (105, 270464), (112, 253560), (120, 236656), (128, 221865), (140, 202848), (160, 177492), (168, 169040), (192, 147910), (210, 135232), (224, 126780), (240, 118328), (280, 101424), (320, 88746), (336, 84520), (384, 73955), (420, 67616), (448, 63390), (480, 59164), (560, 50712), (640, 44373), (672, 42260), (840, 33808), (896, 31695), (960, 29582), (1120, 25356), (1344, 21130), (1680, 16904), (1920, 14791), (2113, 13440), (2240, 12678), (2688, 10565), (3360, 8452), (4226, 6720), (4480, 6339)]