261321600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:357

約数の個数: 192

約数和(自身を含む): 871194240

約数和(自身を除く): 609872640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 163, 167, 192, 200, 240, 300, 320, 326, 334, 384, 400, 480, 489, 501, 600, 640, 652, 668, 800, 815, 835, 960, 978, 1002, 1200, 1304, 1336, 1600, 1630, 1670, 1920, 1956, 2004, 2400, 2445, 2505, 2608, 2672, 3200, 3260, 3340, 3912, 4008, 4075, 4175, 4800, 4890, 5010, 5216, 5344, 6520, 6680, 7824, 8016, 8150, 8350, 9600, 9780, 10020, 10432, 10688, 12225, 12525, 13040, 13360, 15648, 16032, 16300, 16700, 19560, 20040, 20864, 21376, 24450, 25050, 26080, 26720, 27221, 31296, 32064, 32600, 33400, 39120, 40080, 48900, 50100, 52160, 53440, 54442, 62592, 64128, 65200, 66800, 78240, 80160, 81663, 97800, 100200, 104320, 106880, 108884, 130400, 133600, 136105, 156480, 160320, 163326, 195600, 200400, 217768, 260800, 267200, 272210, 312960, 320640, 326652, 391200, 400800, 408315, 435536, 521600, 534400, 544420, 653304, 680525, 782400, 801600, 816630, 871072, 1088840, 1306608, 1361050, 1564800, 1603200, 1633260, 1742144, 2041575, 2177680, 2613216, 2722100, 3266520, 3484288, 4083150, 4355360, 5226432, 5444200, 6533040, 8166300, 8710720, 10452864, 10888400, 13066080, 16332600, 17421440, 21776800, 26132160, 32665200, 43553600, 52264320, 65330400, 87107200, 130660800, 261321600]

約数ペア:

[(1, 261321600), (2, 130660800), (3, 87107200), (4, 65330400), (5, 52264320), (6, 43553600), (8, 32665200), (10, 26132160), (12, 21776800), (15, 17421440), (16, 16332600), (20, 13066080), (24, 10888400), (25, 10452864), (30, 8710720), (32, 8166300), (40, 6533040), (48, 5444200), (50, 5226432), (60, 4355360), (64, 4083150), (75, 3484288), (80, 3266520), (96, 2722100), (100, 2613216), (120, 2177680), (128, 2041575), (150, 1742144), (160, 1633260), (163, 1603200), (167, 1564800), (192, 1361050), (200, 1306608), (240, 1088840), (300, 871072), (320, 816630), (326, 801600), (334, 782400), (384, 680525), (400, 653304), (480, 544420), (489, 534400), (501, 521600), (600, 435536), (640, 408315), (652, 400800), (668, 391200), (800, 326652), (815, 320640), (835, 312960), (960, 272210), (978, 267200), (1002, 260800), (1200, 217768), (1304, 200400), (1336, 195600), (1600, 163326), (1630, 160320), (1670, 156480), (1920, 136105), (1956, 133600), (2004, 130400), (2400, 108884), (2445, 106880), (2505, 104320), (2608, 100200), (2672, 97800), (3200, 81663), (3260, 80160), (3340, 78240), (3912, 66800), (4008, 65200), (4075, 64128), (4175, 62592), (4800, 54442), (4890, 53440), (5010, 52160), (5216, 50100), (5344, 48900), (6520, 40080), (6680, 39120), (7824, 33400), (8016, 32600), (8150, 32064), (8350, 31296), (9600, 27221), (9780, 26720), (10020, 26080), (10432, 25050), (10688, 24450), (12225, 21376), (12525, 20864), (13040, 20040), (13360, 19560), (15648, 16700), (16032, 16300)]