154745920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 168

約数和(自身を含む): 437814720

約数和(自身を除く): 283068800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 139, 140, 142, 160, 196, 224, 245, 278, 280, 284, 320, 355, 392, 448, 490, 497, 556, 560, 568, 695, 710, 784, 973, 980, 994, 1112, 1120, 1136, 1390, 1420, 1568, 1946, 1960, 1988, 2224, 2240, 2272, 2485, 2780, 2840, 3136, 3479, 3892, 3920, 3976, 4448, 4544, 4865, 4970, 5560, 5680, 6811, 6958, 7784, 7840, 7952, 8896, 9730, 9869, 9940, 11120, 11360, 13622, 13916, 15568, 15680, 15904, 17395, 19460, 19738, 19880, 22240, 22720, 27244, 27832, 31136, 31808, 34055, 34790, 38920, 39476, 39760, 44480, 49345, 54488, 55664, 62272, 68110, 69083, 69580, 77840, 78952, 79520, 98690, 108976, 111328, 136220, 138166, 139160, 155680, 157904, 159040, 197380, 217952, 222656, 272440, 276332, 278320, 311360, 315808, 345415, 394760, 435904, 483581, 544880, 552664, 556640, 631616, 690830, 789520, 967162, 1089760, 1105328, 1113280, 1381660, 1579040, 1934324, 2179520, 2210656, 2417905, 2763320, 3158080, 3868648, 4421312, 4835810, 5526640, 7737296, 9671620, 11053280, 15474592, 19343240, 22106560, 30949184, 38686480, 77372960, 154745920]

約数ペア:

[(1, 154745920), (2, 77372960), (4, 38686480), (5, 30949184), (7, 22106560), (8, 19343240), (10, 15474592), (14, 11053280), (16, 9671620), (20, 7737296), (28, 5526640), (32, 4835810), (35, 4421312), (40, 3868648), (49, 3158080), (56, 2763320), (64, 2417905), (70, 2210656), (71, 2179520), (80, 1934324), (98, 1579040), (112, 1381660), (139, 1113280), (140, 1105328), (142, 1089760), (160, 967162), (196, 789520), (224, 690830), (245, 631616), (278, 556640), (280, 552664), (284, 544880), (320, 483581), (355, 435904), (392, 394760), (448, 345415), (490, 315808), (497, 311360), (556, 278320), (560, 276332), (568, 272440), (695, 222656), (710, 217952), (784, 197380), (973, 159040), (980, 157904), (994, 155680), (1112, 139160), (1120, 138166), (1136, 136220), (1390, 111328), (1420, 108976), (1568, 98690), (1946, 79520), (1960, 78952), (1988, 77840), (2224, 69580), (2240, 69083), (2272, 68110), (2485, 62272), (2780, 55664), (2840, 54488), (3136, 49345), (3479, 44480), (3892, 39760), (3920, 39476), (3976, 38920), (4448, 34790), (4544, 34055), (4865, 31808), (4970, 31136), (5560, 27832), (5680, 27244), (6811, 22720), (6958, 22240), (7784, 19880), (7840, 19738), (7952, 19460), (8896, 17395), (9730, 15904), (9869, 15680), (9940, 15568), (11120, 13916), (11360, 13622)]