257742720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1543}}^1$

素因数の和:1597

約数の個数: 192

約数和(自身を含む): 921304800

約数和(自身を除く): 663562080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 522, 576, 580, 640, 696, 720, 870, 928, 960, 1044, 1152, 1160, 1305, 1392, 1440, 1543, 1740, 1856, 1920, 2088, 2320, 2610, 2784, 2880, 3086, 3480, 3712, 4176, 4629, 4640, 5220, 5568, 5760, 6172, 6960, 7715, 8352, 9258, 9280, 10440, 11136, 12344, 13887, 13920, 15430, 16704, 18516, 18560, 20880, 23145, 24688, 27774, 27840, 30860, 33408, 37032, 41760, 44747, 46290, 49376, 55548, 55680, 61720, 69435, 74064, 83520, 89494, 92580, 98752, 111096, 123440, 134241, 138870, 148128, 167040, 178988, 185160, 197504, 222192, 223735, 246880, 268482, 277740, 296256, 357976, 370320, 402723, 444384, 447470, 493760, 536964, 555480, 592512, 671205, 715952, 740640, 805446, 888768, 894940, 987520, 1073928, 1110960, 1342410, 1431904, 1481280, 1610892, 1777536, 1789880, 2013615, 2147856, 2221920, 2684820, 2863808, 2962560, 3221784, 3579760, 4027230, 4295712, 4443840, 5369640, 5727616, 6443568, 7159520, 8054460, 8591424, 8887680, 10739280, 12887136, 14319040, 16108920, 17182848, 21478560, 25774272, 28638080, 32217840, 42957120, 51548544, 64435680, 85914240, 128871360, 257742720]

約数ペア:

[(1, 257742720), (2, 128871360), (3, 85914240), (4, 64435680), (5, 51548544), (6, 42957120), (8, 32217840), (9, 28638080), (10, 25774272), (12, 21478560), (15, 17182848), (16, 16108920), (18, 14319040), (20, 12887136), (24, 10739280), (29, 8887680), (30, 8591424), (32, 8054460), (36, 7159520), (40, 6443568), (45, 5727616), (48, 5369640), (58, 4443840), (60, 4295712), (64, 4027230), (72, 3579760), (80, 3221784), (87, 2962560), (90, 2863808), (96, 2684820), (116, 2221920), (120, 2147856), (128, 2013615), (144, 1789880), (145, 1777536), (160, 1610892), (174, 1481280), (180, 1431904), (192, 1342410), (232, 1110960), (240, 1073928), (261, 987520), (288, 894940), (290, 888768), (320, 805446), (348, 740640), (360, 715952), (384, 671205), (435, 592512), (464, 555480), (480, 536964), (522, 493760), (576, 447470), (580, 444384), (640, 402723), (696, 370320), (720, 357976), (870, 296256), (928, 277740), (960, 268482), (1044, 246880), (1152, 223735), (1160, 222192), (1305, 197504), (1392, 185160), (1440, 178988), (1543, 167040), (1740, 148128), (1856, 138870), (1920, 134241), (2088, 123440), (2320, 111096), (2610, 98752), (2784, 92580), (2880, 89494), (3086, 83520), (3480, 74064), (3712, 69435), (4176, 61720), (4629, 55680), (4640, 55548), (5220, 49376), (5568, 46290), (5760, 44747), (6172, 41760), (6960, 37032), (7715, 33408), (8352, 30860), (9258, 27840), (9280, 27774), (10440, 24688), (11136, 23145), (12344, 20880), (13887, 18560), (13920, 18516), (15430, 16704)]