78128148

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 227525760

約数和(自身を除く): 149397612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 53, 69, 84, 92, 98, 106, 109, 138, 147, 159, 161, 196, 212, 218, 276, 294, 318, 322, 327, 371, 436, 483, 588, 636, 644, 654, 742, 763, 966, 1113, 1127, 1219, 1308, 1484, 1526, 1932, 2226, 2254, 2289, 2438, 2507, 2597, 3052, 3381, 3657, 4452, 4508, 4578, 4876, 5014, 5194, 5341, 5777, 6762, 7314, 7521, 7791, 8533, 9156, 10028, 10388, 10682, 11554, 13524, 14628, 15042, 15582, 16023, 17066, 17331, 17549, 21364, 23108, 25599, 30084, 31164, 32046, 34132, 34662, 35098, 40439, 51198, 52647, 59731, 64092, 69324, 70196, 80878, 102396, 105294, 119462, 121317, 122843, 132871, 161756, 179193, 210588, 238924, 242634, 245686, 265742, 283073, 358386, 368529, 398613, 485268, 491372, 531484, 566146, 716772, 737058, 797226, 849219, 930097, 1132292, 1474116, 1594452, 1698438, 1860194, 2790291, 3396876, 3720388, 5580582, 6510679, 11161164, 13021358, 19532037, 26042716, 39064074, 78128148]

約数ペア:

[(1, 78128148), (2, 39064074), (3, 26042716), (4, 19532037), (6, 13021358), (7, 11161164), (12, 6510679), (14, 5580582), (21, 3720388), (23, 3396876), (28, 2790291), (42, 1860194), (46, 1698438), (49, 1594452), (53, 1474116), (69, 1132292), (84, 930097), (92, 849219), (98, 797226), (106, 737058), (109, 716772), (138, 566146), (147, 531484), (159, 491372), (161, 485268), (196, 398613), (212, 368529), (218, 358386), (276, 283073), (294, 265742), (318, 245686), (322, 242634), (327, 238924), (371, 210588), (436, 179193), (483, 161756), (588, 132871), (636, 122843), (644, 121317), (654, 119462), (742, 105294), (763, 102396), (966, 80878), (1113, 70196), (1127, 69324), (1219, 64092), (1308, 59731), (1484, 52647), (1526, 51198), (1932, 40439), (2226, 35098), (2254, 34662), (2289, 34132), (2438, 32046), (2507, 31164), (2597, 30084), (3052, 25599), (3381, 23108), (3657, 21364), (4452, 17549), (4508, 17331), (4578, 17066), (4876, 16023), (5014, 15582), (5194, 15042), (5341, 14628), (5777, 13524), (6762, 11554), (7314, 10682), (7521, 10388), (7791, 10028), (8533, 9156)]