165280640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 458265600

約数和(自身を除く): 292984960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 280, 316, 320, 395, 448, 467, 553, 560, 632, 640, 790, 896, 934, 1106, 1120, 1264, 1580, 1868, 2212, 2240, 2335, 2528, 2765, 3160, 3269, 3736, 4424, 4480, 4670, 5056, 5530, 6320, 6538, 7472, 8848, 9340, 10112, 11060, 12640, 13076, 14944, 16345, 17696, 18680, 22120, 25280, 26152, 29888, 32690, 35392, 36893, 37360, 44240, 50560, 52304, 59776, 65380, 70784, 73786, 74720, 88480, 104608, 130760, 147572, 149440, 176960, 184465, 209216, 258251, 261520, 295144, 298880, 353920, 368930, 418432, 516502, 523040, 590288, 737860, 1033004, 1046080, 1180576, 1291255, 1475720, 2066008, 2092160, 2361152, 2582510, 2951440, 4132016, 4722304, 5165020, 5902880, 8264032, 10330040, 11805760, 16528064, 20660080, 23611520, 33056128, 41320160, 82640320, 165280640]

約数ペア:

[(1, 165280640), (2, 82640320), (4, 41320160), (5, 33056128), (7, 23611520), (8, 20660080), (10, 16528064), (14, 11805760), (16, 10330040), (20, 8264032), (28, 5902880), (32, 5165020), (35, 4722304), (40, 4132016), (56, 2951440), (64, 2582510), (70, 2361152), (79, 2092160), (80, 2066008), (112, 1475720), (128, 1291255), (140, 1180576), (158, 1046080), (160, 1033004), (224, 737860), (280, 590288), (316, 523040), (320, 516502), (395, 418432), (448, 368930), (467, 353920), (553, 298880), (560, 295144), (632, 261520), (640, 258251), (790, 209216), (896, 184465), (934, 176960), (1106, 149440), (1120, 147572), (1264, 130760), (1580, 104608), (1868, 88480), (2212, 74720), (2240, 73786), (2335, 70784), (2528, 65380), (2765, 59776), (3160, 52304), (3269, 50560), (3736, 44240), (4424, 37360), (4480, 36893), (4670, 35392), (5056, 32690), (5530, 29888), (6320, 26152), (6538, 25280), (7472, 22120), (8848, 18680), (9340, 17696), (10112, 16345), (11060, 14944), (12640, 13076)]