28107840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 224

約数和(自身を含む): 99486720

約数和(自身を除く): 71378880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 64, 67, 69, 76, 80, 92, 95, 96, 114, 115, 120, 134, 138, 152, 160, 184, 190, 192, 201, 228, 230, 240, 268, 276, 285, 304, 320, 335, 345, 368, 380, 402, 437, 456, 460, 480, 536, 552, 570, 608, 670, 690, 736, 760, 804, 874, 912, 920, 960, 1005, 1072, 1104, 1140, 1216, 1273, 1311, 1340, 1380, 1472, 1520, 1541, 1608, 1748, 1824, 1840, 2010, 2144, 2185, 2208, 2280, 2546, 2622, 2680, 2760, 3040, 3082, 3216, 3496, 3648, 3680, 3819, 4020, 4288, 4370, 4416, 4560, 4623, 5092, 5244, 5360, 5520, 6080, 6164, 6365, 6432, 6555, 6992, 7360, 7638, 7705, 8040, 8740, 9120, 9246, 10184, 10488, 10720, 11040, 12328, 12730, 12864, 13110, 13984, 15276, 15410, 16080, 17480, 18240, 18492, 19095, 20368, 20976, 21440, 22080, 23115, 24656, 25460, 26220, 27968, 29279, 30552, 30820, 32160, 34960, 36984, 38190, 40736, 41952, 46230, 49312, 50920, 52440, 58558, 61104, 61640, 64320, 69920, 73968, 76380, 81472, 83904, 87837, 92460, 98624, 101840, 104880, 117116, 122208, 123280, 139840, 146395, 147936, 152760, 175674, 184920, 203680, 209760, 234232, 244416, 246560, 292790, 295872, 305520, 351348, 369840, 407360, 419520, 439185, 468464, 493120, 585580, 611040, 702696, 739680, 878370, 936928, 1171160, 1222080, 1405392, 1479360, 1756740, 1873856, 2342320, 2810784, 3513480, 4684640, 5621568, 7026960, 9369280, 14053920, 28107840]

約数ペア:

[(1, 28107840), (2, 14053920), (3, 9369280), (4, 7026960), (5, 5621568), (6, 4684640), (8, 3513480), (10, 2810784), (12, 2342320), (15, 1873856), (16, 1756740), (19, 1479360), (20, 1405392), (23, 1222080), (24, 1171160), (30, 936928), (32, 878370), (38, 739680), (40, 702696), (46, 611040), (48, 585580), (57, 493120), (60, 468464), (64, 439185), (67, 419520), (69, 407360), (76, 369840), (80, 351348), (92, 305520), (95, 295872), (96, 292790), (114, 246560), (115, 244416), (120, 234232), (134, 209760), (138, 203680), (152, 184920), (160, 175674), (184, 152760), (190, 147936), (192, 146395), (201, 139840), (228, 123280), (230, 122208), (240, 117116), (268, 104880), (276, 101840), (285, 98624), (304, 92460), (320, 87837), (335, 83904), (345, 81472), (368, 76380), (380, 73968), (402, 69920), (437, 64320), (456, 61640), (460, 61104), (480, 58558), (536, 52440), (552, 50920), (570, 49312), (608, 46230), (670, 41952), (690, 40736), (736, 38190), (760, 36984), (804, 34960), (874, 32160), (912, 30820), (920, 30552), (960, 29279), (1005, 27968), (1072, 26220), (1104, 25460), (1140, 24656), (1216, 23115), (1273, 22080), (1311, 21440), (1340, 20976), (1380, 20368), (1472, 19095), (1520, 18492), (1541, 18240), (1608, 17480), (1748, 16080), (1824, 15410), (1840, 15276), (2010, 13984), (2144, 13110), (2185, 12864), (2208, 12730), (2280, 12328), (2546, 11040), (2622, 10720), (2680, 10488), (2760, 10184), (3040, 9246), (3082, 9120), (3216, 8740), (3496, 8040), (3648, 7705), (3680, 7638), (3819, 7360), (4020, 6992), (4288, 6555), (4370, 6432), (4416, 6365), (4560, 6164), (4623, 6080), (5092, 5520), (5244, 5360)]