28455840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{941}}^1$

素因数の和:972

約数の個数: 192

約数和(自身を含む): 113944320

約数和(自身を除く): 85488480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 941, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1882, 1890, 2016, 2160, 2520, 2823, 3024, 3360, 3764, 3780, 4320, 4705, 5040, 5646, 6048, 6587, 7528, 7560, 8469, 9410, 10080, 11292, 13174, 14115, 15056, 15120, 16938, 18820, 19761, 22584, 25407, 26348, 28230, 30112, 30240, 32935, 33876, 37640, 39522, 42345, 45168, 50814, 52696, 56460, 59283, 65870, 67752, 75280, 79044, 84690, 90336, 98805, 101628, 105392, 112920, 118566, 127035, 131740, 135504, 150560, 158088, 169380, 177849, 197610, 203256, 210784, 225840, 237132, 254070, 263480, 271008, 296415, 316176, 338760, 355698, 395220, 406512, 451680, 474264, 508140, 526960, 592830, 632352, 677520, 711396, 790440, 813024, 889245, 948528, 1016280, 1053920, 1185660, 1355040, 1422792, 1580880, 1778490, 1897056, 2032560, 2371320, 2845584, 3161760, 3556980, 4065120, 4742640, 5691168, 7113960, 9485280, 14227920, 28455840]

約数ペア:

[(1, 28455840), (2, 14227920), (3, 9485280), (4, 7113960), (5, 5691168), (6, 4742640), (7, 4065120), (8, 3556980), (9, 3161760), (10, 2845584), (12, 2371320), (14, 2032560), (15, 1897056), (16, 1778490), (18, 1580880), (20, 1422792), (21, 1355040), (24, 1185660), (27, 1053920), (28, 1016280), (30, 948528), (32, 889245), (35, 813024), (36, 790440), (40, 711396), (42, 677520), (45, 632352), (48, 592830), (54, 526960), (56, 508140), (60, 474264), (63, 451680), (70, 406512), (72, 395220), (80, 355698), (84, 338760), (90, 316176), (96, 296415), (105, 271008), (108, 263480), (112, 254070), (120, 237132), (126, 225840), (135, 210784), (140, 203256), (144, 197610), (160, 177849), (168, 169380), (180, 158088), (189, 150560), (210, 135504), (216, 131740), (224, 127035), (240, 118566), (252, 112920), (270, 105392), (280, 101628), (288, 98805), (315, 90336), (336, 84690), (360, 79044), (378, 75280), (420, 67752), (432, 65870), (480, 59283), (504, 56460), (540, 52696), (560, 50814), (630, 45168), (672, 42345), (720, 39522), (756, 37640), (840, 33876), (864, 32935), (941, 30240), (945, 30112), (1008, 28230), (1080, 26348), (1120, 25407), (1260, 22584), (1440, 19761), (1512, 18820), (1680, 16938), (1882, 15120), (1890, 15056), (2016, 14115), (2160, 13174), (2520, 11292), (2823, 10080), (3024, 9410), (3360, 8469), (3764, 7560), (3780, 7528), (4320, 6587), (4705, 6048), (5040, 5646)]