72768640

素因数分解:

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

素因数の和:502

約数の個数: 128

約数和(自身を含む): 204652800

約数和(自身を除く): 131884160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 259, 280, 296, 320, 370, 439, 448, 518, 560, 592, 640, 740, 878, 896, 1036, 1120, 1184, 1295, 1480, 1756, 2072, 2195, 2240, 2368, 2590, 2960, 3073, 3512, 4144, 4390, 4480, 4736, 5180, 5920, 6146, 7024, 8288, 8780, 10360, 11840, 12292, 14048, 15365, 16243, 16576, 17560, 20720, 23680, 24584, 28096, 30730, 32486, 33152, 35120, 41440, 49168, 56192, 61460, 64972, 70240, 81215, 82880, 98336, 113701, 122920, 129944, 140480, 162430, 165760, 196672, 227402, 245840, 259888, 280960, 324860, 393344, 454804, 491680, 519776, 568505, 649720, 909608, 983360, 1039552, 1137010, 1299440, 1819216, 1966720, 2079104, 2274020, 2598880, 3638432, 4548040, 5197760, 7276864, 9096080, 10395520, 14553728, 18192160, 36384320, 72768640]

約数ペア:

[(1, 72768640), (2, 36384320), (4, 18192160), (5, 14553728), (7, 10395520), (8, 9096080), (10, 7276864), (14, 5197760), (16, 4548040), (20, 3638432), (28, 2598880), (32, 2274020), (35, 2079104), (37, 1966720), (40, 1819216), (56, 1299440), (64, 1137010), (70, 1039552), (74, 983360), (80, 909608), (112, 649720), (128, 568505), (140, 519776), (148, 491680), (160, 454804), (185, 393344), (224, 324860), (259, 280960), (280, 259888), (296, 245840), (320, 227402), (370, 196672), (439, 165760), (448, 162430), (518, 140480), (560, 129944), (592, 122920), (640, 113701), (740, 98336), (878, 82880), (896, 81215), (1036, 70240), (1120, 64972), (1184, 61460), (1295, 56192), (1480, 49168), (1756, 41440), (2072, 35120), (2195, 33152), (2240, 32486), (2368, 30730), (2590, 28096), (2960, 24584), (3073, 23680), (3512, 20720), (4144, 17560), (4390, 16576), (4480, 16243), (4736, 15365), (5180, 14048), (5920, 12292), (6146, 11840), (7024, 10360), (8288, 8780)]