53978240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 142473600

約数和(自身を除く): 88495360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 193, 230, 304, 320, 368, 380, 386, 437, 460, 608, 640, 736, 760, 772, 874, 920, 965, 1216, 1472, 1520, 1544, 1748, 1840, 1930, 2185, 2432, 2944, 3040, 3088, 3496, 3667, 3680, 3860, 4370, 4439, 6080, 6176, 6992, 7334, 7360, 7720, 8740, 8878, 12160, 12352, 13984, 14668, 14720, 15440, 17480, 17756, 18335, 22195, 24704, 27968, 29336, 30880, 34960, 35512, 36670, 44390, 55936, 58672, 61760, 69920, 71024, 73340, 84341, 88780, 117344, 123520, 139840, 142048, 146680, 168682, 177560, 234688, 279680, 284096, 293360, 337364, 355120, 421705, 469376, 568192, 586720, 674728, 710240, 843410, 1173440, 1349456, 1420480, 1686820, 2346880, 2698912, 2840960, 3373640, 5397824, 6747280, 10795648, 13494560, 26989120, 53978240]

約数ペア:

[(1, 53978240), (2, 26989120), (4, 13494560), (5, 10795648), (8, 6747280), (10, 5397824), (16, 3373640), (19, 2840960), (20, 2698912), (23, 2346880), (32, 1686820), (38, 1420480), (40, 1349456), (46, 1173440), (64, 843410), (76, 710240), (80, 674728), (92, 586720), (95, 568192), (115, 469376), (128, 421705), (152, 355120), (160, 337364), (184, 293360), (190, 284096), (193, 279680), (230, 234688), (304, 177560), (320, 168682), (368, 146680), (380, 142048), (386, 139840), (437, 123520), (460, 117344), (608, 88780), (640, 84341), (736, 73340), (760, 71024), (772, 69920), (874, 61760), (920, 58672), (965, 55936), (1216, 44390), (1472, 36670), (1520, 35512), (1544, 34960), (1748, 30880), (1840, 29336), (1930, 27968), (2185, 24704), (2432, 22195), (2944, 18335), (3040, 17756), (3088, 17480), (3496, 15440), (3667, 14720), (3680, 14668), (3860, 13984), (4370, 12352), (4439, 12160), (6080, 8878), (6176, 8740), (6992, 7720), (7334, 7360)]