156949760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 418545792

約数和(自身を除く): 261596032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 157, 160, 176, 220, 256, 284, 314, 320, 352, 355, 440, 568, 628, 640, 704, 710, 781, 785, 880, 1136, 1256, 1280, 1408, 1420, 1562, 1570, 1727, 1760, 2272, 2512, 2816, 2840, 3124, 3140, 3454, 3520, 3905, 4544, 5024, 5680, 6248, 6280, 6908, 7040, 7810, 8635, 9088, 10048, 11147, 11360, 12496, 12560, 13816, 14080, 15620, 17270, 18176, 20096, 22294, 22720, 24992, 25120, 27632, 31240, 34540, 40192, 44588, 45440, 49984, 50240, 55264, 55735, 62480, 69080, 89176, 90880, 99968, 100480, 110528, 111470, 122617, 124960, 138160, 178352, 199936, 200960, 221056, 222940, 245234, 249920, 276320, 356704, 442112, 445880, 490468, 499840, 552640, 613085, 713408, 891760, 980936, 999680, 1105280, 1226170, 1426816, 1783520, 1961872, 2210560, 2452340, 2853632, 3567040, 3923744, 4904680, 7134080, 7847488, 9809360, 14268160, 15694976, 19618720, 31389952, 39237440, 78474880, 156949760]

約数ペア:

[(1, 156949760), (2, 78474880), (4, 39237440), (5, 31389952), (8, 19618720), (10, 15694976), (11, 14268160), (16, 9809360), (20, 7847488), (22, 7134080), (32, 4904680), (40, 3923744), (44, 3567040), (55, 2853632), (64, 2452340), (71, 2210560), (80, 1961872), (88, 1783520), (110, 1426816), (128, 1226170), (142, 1105280), (157, 999680), (160, 980936), (176, 891760), (220, 713408), (256, 613085), (284, 552640), (314, 499840), (320, 490468), (352, 445880), (355, 442112), (440, 356704), (568, 276320), (628, 249920), (640, 245234), (704, 222940), (710, 221056), (781, 200960), (785, 199936), (880, 178352), (1136, 138160), (1256, 124960), (1280, 122617), (1408, 111470), (1420, 110528), (1562, 100480), (1570, 99968), (1727, 90880), (1760, 89176), (2272, 69080), (2512, 62480), (2816, 55735), (2840, 55264), (3124, 50240), (3140, 49984), (3454, 45440), (3520, 44588), (3905, 40192), (4544, 34540), (5024, 31240), (5680, 27632), (6248, 25120), (6280, 24992), (6908, 22720), (7040, 22294), (7810, 20096), (8635, 18176), (9088, 17270), (10048, 15620), (11147, 14080), (11360, 13816), (12496, 12560)]