87640320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 144

約数和(自身を含む): 289920960

約数和(自身を除く): 202280640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 384, 435, 464, 480, 580, 640, 696, 768, 787, 870, 928, 960, 1160, 1280, 1392, 1574, 1740, 1856, 1920, 2320, 2361, 2784, 3148, 3480, 3712, 3840, 3935, 4640, 4722, 5568, 6296, 6960, 7424, 7870, 9280, 9444, 11136, 11805, 12592, 13920, 15740, 18560, 18888, 22272, 22823, 23610, 25184, 27840, 31480, 37120, 37776, 45646, 47220, 50368, 55680, 62960, 68469, 75552, 91292, 94440, 100736, 111360, 114115, 125920, 136938, 151104, 182584, 188880, 201472, 228230, 251840, 273876, 302208, 342345, 365168, 377760, 456460, 503680, 547752, 604416, 684690, 730336, 755520, 912920, 1007360, 1095504, 1369380, 1460672, 1511040, 1825840, 2191008, 2738760, 2921344, 3022080, 3651680, 4382016, 5477520, 5842688, 7303360, 8764032, 10955040, 14606720, 17528064, 21910080, 29213440, 43820160, 87640320]

約数ペア:

[(1, 87640320), (2, 43820160), (3, 29213440), (4, 21910080), (5, 17528064), (6, 14606720), (8, 10955040), (10, 8764032), (12, 7303360), (15, 5842688), (16, 5477520), (20, 4382016), (24, 3651680), (29, 3022080), (30, 2921344), (32, 2738760), (40, 2191008), (48, 1825840), (58, 1511040), (60, 1460672), (64, 1369380), (80, 1095504), (87, 1007360), (96, 912920), (116, 755520), (120, 730336), (128, 684690), (145, 604416), (160, 547752), (174, 503680), (192, 456460), (232, 377760), (240, 365168), (256, 342345), (290, 302208), (320, 273876), (348, 251840), (384, 228230), (435, 201472), (464, 188880), (480, 182584), (580, 151104), (640, 136938), (696, 125920), (768, 114115), (787, 111360), (870, 100736), (928, 94440), (960, 91292), (1160, 75552), (1280, 68469), (1392, 62960), (1574, 55680), (1740, 50368), (1856, 47220), (1920, 45646), (2320, 37776), (2361, 37120), (2784, 31480), (3148, 27840), (3480, 25184), (3712, 23610), (3840, 22823), (3935, 22272), (4640, 18888), (4722, 18560), (5568, 15740), (6296, 13920), (6960, 12592), (7424, 11805), (7870, 11136), (9280, 9444)]