257644320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 848050560

約数和(自身を除く): 590406240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 89, 96, 111, 120, 148, 160, 163, 178, 185, 222, 240, 267, 296, 326, 356, 370, 444, 445, 480, 489, 534, 555, 592, 652, 712, 740, 815, 888, 890, 978, 1068, 1110, 1184, 1304, 1335, 1424, 1480, 1630, 1776, 1780, 1956, 2136, 2220, 2445, 2608, 2670, 2848, 2960, 3260, 3293, 3552, 3560, 3912, 4272, 4440, 4890, 5216, 5340, 5920, 6031, 6520, 6586, 7120, 7824, 8544, 8880, 9780, 9879, 10680, 12062, 13040, 13172, 14240, 14507, 15648, 16465, 17760, 18093, 19560, 19758, 21360, 24124, 26080, 26344, 29014, 30155, 32930, 36186, 39120, 39516, 42720, 43521, 48248, 49395, 52688, 58028, 60310, 65860, 72372, 72535, 78240, 79032, 87042, 90465, 96496, 98790, 105376, 116056, 120620, 131720, 144744, 145070, 158064, 174084, 180930, 192992, 197580, 217605, 232112, 241240, 263440, 289488, 290140, 316128, 348168, 361860, 395160, 435210, 464224, 482480, 526880, 536759, 578976, 580280, 696336, 723720, 790320, 870420, 964960, 1073518, 1160560, 1392672, 1447440, 1580640, 1610277, 1740840, 2147036, 2321120, 2683795, 2894880, 3220554, 3481680, 4294072, 5367590, 6441108, 6963360, 8051385, 8588144, 10735180, 12882216, 16102770, 17176288, 21470360, 25764432, 32205540, 42940720, 51528864, 64411080, 85881440, 128822160, 257644320]

約数ペア:

[(1, 257644320), (2, 128822160), (3, 85881440), (4, 64411080), (5, 51528864), (6, 42940720), (8, 32205540), (10, 25764432), (12, 21470360), (15, 17176288), (16, 16102770), (20, 12882216), (24, 10735180), (30, 8588144), (32, 8051385), (37, 6963360), (40, 6441108), (48, 5367590), (60, 4294072), (74, 3481680), (80, 3220554), (89, 2894880), (96, 2683795), (111, 2321120), (120, 2147036), (148, 1740840), (160, 1610277), (163, 1580640), (178, 1447440), (185, 1392672), (222, 1160560), (240, 1073518), (267, 964960), (296, 870420), (326, 790320), (356, 723720), (370, 696336), (444, 580280), (445, 578976), (480, 536759), (489, 526880), (534, 482480), (555, 464224), (592, 435210), (652, 395160), (712, 361860), (740, 348168), (815, 316128), (888, 290140), (890, 289488), (978, 263440), (1068, 241240), (1110, 232112), (1184, 217605), (1304, 197580), (1335, 192992), (1424, 180930), (1480, 174084), (1630, 158064), (1776, 145070), (1780, 144744), (1956, 131720), (2136, 120620), (2220, 116056), (2445, 105376), (2608, 98790), (2670, 96496), (2848, 90465), (2960, 87042), (3260, 79032), (3293, 78240), (3552, 72535), (3560, 72372), (3912, 65860), (4272, 60310), (4440, 58028), (4890, 52688), (5216, 49395), (5340, 48248), (5920, 43521), (6031, 42720), (6520, 39516), (6586, 39120), (7120, 36186), (7824, 32930), (8544, 30155), (8880, 29014), (9780, 26344), (9879, 26080), (10680, 24124), (12062, 21360), (13040, 19758), (13172, 19560), (14240, 18093), (14507, 17760), (15648, 16465)]