2640462080

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 6561730560

約数和(自身を除く): 3921268480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 127, 128, 148, 160, 185, 254, 256, 296, 320, 370, 439, 508, 592, 635, 640, 740, 878, 1016, 1184, 1270, 1280, 1480, 1756, 2032, 2195, 2368, 2540, 2960, 3512, 4064, 4390, 4699, 4736, 5080, 5920, 7024, 8128, 8780, 9398, 9472, 10160, 11840, 14048, 16243, 16256, 17560, 18796, 20320, 23495, 23680, 28096, 32486, 32512, 35120, 37592, 40640, 46990, 47360, 55753, 56192, 64972, 70240, 75184, 81215, 81280, 93980, 111506, 112384, 129944, 140480, 150368, 162430, 162560, 187960, 223012, 259888, 278765, 280960, 300736, 324860, 375920, 446024, 519776, 557530, 561920, 601472, 649720, 751840, 892048, 1039552, 1115060, 1202944, 1299440, 1503680, 1784096, 2062861, 2079104, 2230120, 2598880, 3007360, 3568192, 4125722, 4158208, 4460240, 5197760, 6014720, 7136384, 8251444, 8920480, 10314305, 10395520, 14272768, 16502888, 17840960, 20628610, 20791040, 33005776, 35681920, 41257220, 66011552, 71363840, 82514440, 132023104, 165028880, 264046208, 330057760, 528092416, 660115520, 1320231040, 2640462080]

約数ペア:

[(1, 2640462080), (2, 1320231040), (4, 660115520), (5, 528092416), (8, 330057760), (10, 264046208), (16, 165028880), (20, 132023104), (32, 82514440), (37, 71363840), (40, 66011552), (64, 41257220), (74, 35681920), (80, 33005776), (127, 20791040), (128, 20628610), (148, 17840960), (160, 16502888), (185, 14272768), (254, 10395520), (256, 10314305), (296, 8920480), (320, 8251444), (370, 7136384), (439, 6014720), (508, 5197760), (592, 4460240), (635, 4158208), (640, 4125722), (740, 3568192), (878, 3007360), (1016, 2598880), (1184, 2230120), (1270, 2079104), (1280, 2062861), (1480, 1784096), (1756, 1503680), (2032, 1299440), (2195, 1202944), (2368, 1115060), (2540, 1039552), (2960, 892048), (3512, 751840), (4064, 649720), (4390, 601472), (4699, 561920), (4736, 557530), (5080, 519776), (5920, 446024), (7024, 375920), (8128, 324860), (8780, 300736), (9398, 280960), (9472, 278765), (10160, 259888), (11840, 223012), (14048, 187960), (16243, 162560), (16256, 162430), (17560, 150368), (18796, 140480), (20320, 129944), (23495, 112384), (23680, 111506), (28096, 93980), (32486, 81280), (32512, 81215), (35120, 75184), (37592, 70240), (40640, 64972), (46990, 56192), (47360, 55753)]