318129920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 816291840

約数和(自身を除く): 498161920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 103, 127, 128, 152, 160, 190, 206, 254, 256, 304, 320, 380, 412, 508, 515, 608, 635, 640, 760, 824, 1016, 1030, 1216, 1270, 1280, 1520, 1648, 1957, 2032, 2060, 2413, 2432, 2540, 3040, 3296, 3914, 4064, 4120, 4826, 4864, 5080, 6080, 6592, 7828, 8128, 8240, 9652, 9785, 10160, 12065, 12160, 13081, 13184, 15656, 16256, 16480, 19304, 19570, 20320, 24130, 24320, 26162, 26368, 31312, 32512, 32960, 38608, 39140, 40640, 48260, 52324, 62624, 65405, 65920, 77216, 78280, 81280, 96520, 104648, 125248, 130810, 131840, 154432, 156560, 162560, 193040, 209296, 248539, 250496, 261620, 308864, 313120, 386080, 418592, 497078, 500992, 523240, 617728, 626240, 772160, 837184, 994156, 1046480, 1242695, 1252480, 1544320, 1674368, 1988312, 2092960, 2485390, 2504960, 3088640, 3348736, 3976624, 4185920, 4970780, 7953248, 8371840, 9941560, 15906496, 16743680, 19883120, 31812992, 39766240, 63625984, 79532480, 159064960, 318129920]

約数ペア:

[(1, 318129920), (2, 159064960), (4, 79532480), (5, 63625984), (8, 39766240), (10, 31812992), (16, 19883120), (19, 16743680), (20, 15906496), (32, 9941560), (38, 8371840), (40, 7953248), (64, 4970780), (76, 4185920), (80, 3976624), (95, 3348736), (103, 3088640), (127, 2504960), (128, 2485390), (152, 2092960), (160, 1988312), (190, 1674368), (206, 1544320), (254, 1252480), (256, 1242695), (304, 1046480), (320, 994156), (380, 837184), (412, 772160), (508, 626240), (515, 617728), (608, 523240), (635, 500992), (640, 497078), (760, 418592), (824, 386080), (1016, 313120), (1030, 308864), (1216, 261620), (1270, 250496), (1280, 248539), (1520, 209296), (1648, 193040), (1957, 162560), (2032, 156560), (2060, 154432), (2413, 131840), (2432, 130810), (2540, 125248), (3040, 104648), (3296, 96520), (3914, 81280), (4064, 78280), (4120, 77216), (4826, 65920), (4864, 65405), (5080, 62624), (6080, 52324), (6592, 48260), (7828, 40640), (8128, 39140), (8240, 38608), (9652, 32960), (9785, 32512), (10160, 31312), (12065, 26368), (12160, 26162), (13081, 24320), (13184, 24130), (15656, 20320), (16256, 19570), (16480, 19304)]