77372960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 217183680

約数和(自身を除く): 139810720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 139, 140, 142, 160, 196, 224, 245, 278, 280, 284, 355, 392, 490, 497, 556, 560, 568, 695, 710, 784, 973, 980, 994, 1112, 1120, 1136, 1390, 1420, 1568, 1946, 1960, 1988, 2224, 2272, 2485, 2780, 2840, 3479, 3892, 3920, 3976, 4448, 4865, 4970, 5560, 5680, 6811, 6958, 7784, 7840, 7952, 9730, 9869, 9940, 11120, 11360, 13622, 13916, 15568, 15904, 17395, 19460, 19738, 19880, 22240, 27244, 27832, 31136, 34055, 34790, 38920, 39476, 39760, 49345, 54488, 55664, 68110, 69083, 69580, 77840, 78952, 79520, 98690, 108976, 111328, 136220, 138166, 139160, 155680, 157904, 197380, 217952, 272440, 276332, 278320, 315808, 345415, 394760, 483581, 544880, 552664, 556640, 690830, 789520, 967162, 1089760, 1105328, 1381660, 1579040, 1934324, 2210656, 2417905, 2763320, 3868648, 4835810, 5526640, 7737296, 9671620, 11053280, 15474592, 19343240, 38686480, 77372960]

約数ペア:

[(1, 77372960), (2, 38686480), (4, 19343240), (5, 15474592), (7, 11053280), (8, 9671620), (10, 7737296), (14, 5526640), (16, 4835810), (20, 3868648), (28, 2763320), (32, 2417905), (35, 2210656), (40, 1934324), (49, 1579040), (56, 1381660), (70, 1105328), (71, 1089760), (80, 967162), (98, 789520), (112, 690830), (139, 556640), (140, 552664), (142, 544880), (160, 483581), (196, 394760), (224, 345415), (245, 315808), (278, 278320), (280, 276332), (284, 272440), (355, 217952), (392, 197380), (490, 157904), (497, 155680), (556, 139160), (560, 138166), (568, 136220), (695, 111328), (710, 108976), (784, 98690), (973, 79520), (980, 78952), (994, 77840), (1112, 69580), (1120, 69083), (1136, 68110), (1390, 55664), (1420, 54488), (1568, 49345), (1946, 39760), (1960, 39476), (1988, 38920), (2224, 34790), (2272, 34055), (2485, 31136), (2780, 27832), (2840, 27244), (3479, 22240), (3892, 19880), (3920, 19738), (3976, 19460), (4448, 17395), (4865, 15904), (4970, 15568), (5560, 13916), (5680, 13622), (6811, 11360), (6958, 11120), (7784, 9940), (7840, 9869), (7952, 9730)]