212577680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 160

約数和(自身を含む): 590438400

約数和(自身を除く): 377860720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 127, 140, 196, 244, 245, 254, 280, 305, 343, 392, 427, 488, 490, 508, 560, 610, 635, 686, 784, 854, 889, 976, 980, 1016, 1220, 1270, 1372, 1708, 1715, 1778, 1960, 2032, 2135, 2440, 2540, 2744, 2989, 3416, 3430, 3556, 3920, 4270, 4445, 4880, 5080, 5488, 5978, 6223, 6832, 6860, 7112, 7747, 8540, 8890, 10160, 11956, 12446, 13720, 14224, 14945, 15494, 17080, 17780, 20923, 23912, 24892, 27440, 29890, 30988, 31115, 34160, 35560, 38735, 41846, 43561, 47824, 49784, 54229, 59780, 61976, 62230, 71120, 77470, 83692, 87122, 99568, 104615, 108458, 119560, 123952, 124460, 154940, 167384, 174244, 209230, 216916, 217805, 239120, 248920, 271145, 309880, 334768, 348488, 379603, 418460, 433832, 435610, 497840, 542290, 619760, 696976, 759206, 836920, 867664, 871220, 1084580, 1518412, 1673840, 1742440, 1898015, 2169160, 2657221, 3036824, 3484880, 3796030, 4338320, 5314442, 6073648, 7592060, 10628884, 13286105, 15184120, 21257768, 26572210, 30368240, 42515536, 53144420, 106288840, 212577680]

約数ペア:

[(1, 212577680), (2, 106288840), (4, 53144420), (5, 42515536), (7, 30368240), (8, 26572210), (10, 21257768), (14, 15184120), (16, 13286105), (20, 10628884), (28, 7592060), (35, 6073648), (40, 5314442), (49, 4338320), (56, 3796030), (61, 3484880), (70, 3036824), (80, 2657221), (98, 2169160), (112, 1898015), (122, 1742440), (127, 1673840), (140, 1518412), (196, 1084580), (244, 871220), (245, 867664), (254, 836920), (280, 759206), (305, 696976), (343, 619760), (392, 542290), (427, 497840), (488, 435610), (490, 433832), (508, 418460), (560, 379603), (610, 348488), (635, 334768), (686, 309880), (784, 271145), (854, 248920), (889, 239120), (976, 217805), (980, 216916), (1016, 209230), (1220, 174244), (1270, 167384), (1372, 154940), (1708, 124460), (1715, 123952), (1778, 119560), (1960, 108458), (2032, 104615), (2135, 99568), (2440, 87122), (2540, 83692), (2744, 77470), (2989, 71120), (3416, 62230), (3430, 61976), (3556, 59780), (3920, 54229), (4270, 49784), (4445, 47824), (4880, 43561), (5080, 41846), (5488, 38735), (5978, 35560), (6223, 34160), (6832, 31115), (6860, 30988), (7112, 29890), (7747, 27440), (8540, 24892), (8890, 23912), (10160, 20923), (11956, 17780), (12446, 17080), (13720, 15494), (14224, 14945)]