1320231040

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:622

約数の個数: 128

約数和(自身を含む): 3274444800

約数和(自身を除く): 1954213760

約数列:

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

約数ペア:

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