28148640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 96290208

約数和(自身を除く): 68141568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 347, 390, 416, 480, 507, 520, 624, 676, 694, 780, 845, 1014, 1040, 1041, 1248, 1352, 1388, 1560, 1690, 1735, 2028, 2080, 2082, 2535, 2704, 2776, 3120, 3380, 3470, 4056, 4164, 4511, 5070, 5205, 5408, 5552, 6240, 6760, 6940, 8112, 8328, 9022, 10140, 10410, 11104, 13520, 13533, 13880, 16224, 16656, 18044, 20280, 20820, 22555, 27040, 27066, 27760, 33312, 36088, 40560, 41640, 45110, 54132, 55520, 58643, 67665, 72176, 81120, 83280, 90220, 108264, 117286, 135330, 144352, 166560, 175929, 180440, 216528, 234572, 270660, 293215, 351858, 360880, 433056, 469144, 541320, 586430, 703716, 721760, 879645, 938288, 1082640, 1172860, 1407432, 1759290, 1876576, 2165280, 2345720, 2814864, 3518580, 4691440, 5629728, 7037160, 9382880, 14074320, 28148640]

約数ペア:

[(1, 28148640), (2, 14074320), (3, 9382880), (4, 7037160), (5, 5629728), (6, 4691440), (8, 3518580), (10, 2814864), (12, 2345720), (13, 2165280), (15, 1876576), (16, 1759290), (20, 1407432), (24, 1172860), (26, 1082640), (30, 938288), (32, 879645), (39, 721760), (40, 703716), (48, 586430), (52, 541320), (60, 469144), (65, 433056), (78, 360880), (80, 351858), (96, 293215), (104, 270660), (120, 234572), (130, 216528), (156, 180440), (160, 175929), (169, 166560), (195, 144352), (208, 135330), (240, 117286), (260, 108264), (312, 90220), (338, 83280), (347, 81120), (390, 72176), (416, 67665), (480, 58643), (507, 55520), (520, 54132), (624, 45110), (676, 41640), (694, 40560), (780, 36088), (845, 33312), (1014, 27760), (1040, 27066), (1041, 27040), (1248, 22555), (1352, 20820), (1388, 20280), (1560, 18044), (1690, 16656), (1735, 16224), (2028, 13880), (2080, 13533), (2082, 13520), (2535, 11104), (2704, 10410), (2776, 10140), (3120, 9022), (3380, 8328), (3470, 8112), (4056, 6940), (4164, 6760), (4511, 6240), (5070, 5552), (5205, 5408)]