2561243585520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{135086687}}^1$

素因数の和:135086782

約数の個数: 80

約数和(自身を含む): 8040359669760

約数和(自身を除く): 5479116084240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 135086687, 270173374, 405260061, 540346748, 675433435, 810520122, 1080693496, 1350866870, 1621040244, 2026300305, 2161386992, 2701733740, 3242080488, 4052600610, 5403467480, 6484160976, 8105201220, 10671848273, 10806934960, 16210402440, 21343696546, 32015544819, 32420804880, 42687393092, 53359241365, 64031089638, 85374786184, 106718482730, 128062179276, 160077724095, 170749572368, 213436965460, 256124358552, 320155448190, 426873930920, 512248717104, 640310896380, 853747861840, 1280621792760, 2561243585520]

約数ペア:

[(1, 2561243585520), (2, 1280621792760), (3, 853747861840), (4, 640310896380), (5, 512248717104), (6, 426873930920), (8, 320155448190), (10, 256124358552), (12, 213436965460), (15, 170749572368), (16, 160077724095), (20, 128062179276), (24, 106718482730), (30, 85374786184), (40, 64031089638), (48, 53359241365), (60, 42687393092), (79, 32420804880), (80, 32015544819), (120, 21343696546), (158, 16210402440), (237, 10806934960), (240, 10671848273), (316, 8105201220), (395, 6484160976), (474, 5403467480), (632, 4052600610), (790, 3242080488), (948, 2701733740), (1185, 2161386992), (1264, 2026300305), (1580, 1621040244), (1896, 1350866870), (2370, 1080693496), (3160, 810520122), (3792, 675433435), (4740, 540346748), (6320, 405260061), (9480, 270173374), (18960, 135086687)]