155706320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 482433408

約数和(自身を除く): 326727088

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 80, 88, 92, 98, 110, 112, 115, 140, 154, 157, 161, 176, 184, 196, 220, 230, 245, 253, 280, 308, 314, 322, 368, 385, 392, 440, 460, 490, 506, 539, 560, 616, 628, 644, 770, 784, 785, 805, 880, 920, 980, 1012, 1078, 1099, 1127, 1232, 1256, 1265, 1288, 1540, 1570, 1610, 1727, 1771, 1840, 1960, 2024, 2156, 2198, 2254, 2512, 2530, 2576, 2695, 3080, 3140, 3220, 3454, 3542, 3611, 3920, 4048, 4312, 4396, 4508, 5060, 5390, 5495, 5635, 6160, 6280, 6440, 6908, 7084, 7222, 7693, 8624, 8635, 8792, 8855, 9016, 10120, 10780, 10990, 11270, 12089, 12397, 12560, 12880, 13816, 14168, 14444, 15386, 17270, 17584, 17710, 18032, 18055, 20240, 21560, 21980, 22540, 24178, 24794, 25277, 27632, 28336, 28888, 30772, 34540, 35420, 36110, 38465, 39721, 43120, 43960, 45080, 48356, 49588, 50554, 57776, 60445, 61544, 61985, 69080, 70840, 72220, 76930, 79442, 84623, 87920, 90160, 96712, 99176, 101108, 120890, 123088, 123970, 126385, 138160, 141680, 144440, 153860, 158884, 169246, 176939, 193424, 198352, 198605, 202216, 241780, 247940, 252770, 278047, 288880, 307720, 317768, 338492, 353878, 397210, 404432, 423115, 483560, 495880, 505540, 556094, 615440, 635536, 676984, 707756, 794420, 846230, 884695, 967120, 991760, 1011080, 1112188, 1353968, 1390235, 1415512, 1588840, 1692460, 1769390, 1946329, 2022160, 2224376, 2780470, 2831024, 3177680, 3384920, 3538780, 3892658, 4448752, 5560940, 6769840, 7077560, 7785316, 9731645, 11121880, 14155120, 15570632, 19463290, 22243760, 31141264, 38926580, 77853160, 155706320]

約数ペア:

[(1, 155706320), (2, 77853160), (4, 38926580), (5, 31141264), (7, 22243760), (8, 19463290), (10, 15570632), (11, 14155120), (14, 11121880), (16, 9731645), (20, 7785316), (22, 7077560), (23, 6769840), (28, 5560940), (35, 4448752), (40, 3892658), (44, 3538780), (46, 3384920), (49, 3177680), (55, 2831024), (56, 2780470), (70, 2224376), (77, 2022160), (80, 1946329), (88, 1769390), (92, 1692460), (98, 1588840), (110, 1415512), (112, 1390235), (115, 1353968), (140, 1112188), (154, 1011080), (157, 991760), (161, 967120), (176, 884695), (184, 846230), (196, 794420), (220, 707756), (230, 676984), (245, 635536), (253, 615440), (280, 556094), (308, 505540), (314, 495880), (322, 483560), (368, 423115), (385, 404432), (392, 397210), (440, 353878), (460, 338492), (490, 317768), (506, 307720), (539, 288880), (560, 278047), (616, 252770), (628, 247940), (644, 241780), (770, 202216), (784, 198605), (785, 198352), (805, 193424), (880, 176939), (920, 169246), (980, 158884), (1012, 153860), (1078, 144440), (1099, 141680), (1127, 138160), (1232, 126385), (1256, 123970), (1265, 123088), (1288, 120890), (1540, 101108), (1570, 99176), (1610, 96712), (1727, 90160), (1771, 87920), (1840, 84623), (1960, 79442), (2024, 76930), (2156, 72220), (2198, 70840), (2254, 69080), (2512, 61985), (2530, 61544), (2576, 60445), (2695, 57776), (3080, 50554), (3140, 49588), (3220, 48356), (3454, 45080), (3542, 43960), (3611, 43120), (3920, 39721), (4048, 38465), (4312, 36110), (4396, 35420), (4508, 34540), (5060, 30772), (5390, 28888), (5495, 28336), (5635, 27632), (6160, 25277), (6280, 24794), (6440, 24178), (6908, 22540), (7084, 21980), (7222, 21560), (7693, 20240), (8624, 18055), (8635, 18032), (8792, 17710), (8855, 17584), (9016, 17270), (10120, 15386), (10780, 14444), (10990, 14168), (11270, 13816), (12089, 12880), (12397, 12560)]