20118217680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2540179}}^1$

素因数の和:2540209

約数の個数: 120

約数和(自身を含む): 73705862880

約数和(自身を除く): 53587645200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 2540179, 5080358, 7620537, 10160716, 12700895, 15241074, 20321432, 22861611, 25401790, 27941969, 30482148, 38102685, 40642864, 45723222, 50803580, 55883938, 60964296, 76205370, 83825907, 91446444, 101607160, 111767876, 114308055, 121928592, 139709845, 152410740, 167651814, 182892888, 203214320, 223535752, 228616110, 251477721, 279419690, 304821480, 335303628, 365785776, 419129535, 447071504, 457232220, 502955442, 558839380, 609642960, 670607256, 838259070, 914464440, 1005910884, 1117678760, 1257388605, 1341214512, 1676518140, 1828928880, 2011821768, 2235357520, 2514777210, 3353036280, 4023643536, 5029554420, 6706072560, 10059108840, 20118217680]

約数ペア:

[(1, 20118217680), (2, 10059108840), (3, 6706072560), (4, 5029554420), (5, 4023643536), (6, 3353036280), (8, 2514777210), (9, 2235357520), (10, 2011821768), (11, 1828928880), (12, 1676518140), (15, 1341214512), (16, 1257388605), (18, 1117678760), (20, 1005910884), (22, 914464440), (24, 838259070), (30, 670607256), (33, 609642960), (36, 558839380), (40, 502955442), (44, 457232220), (45, 447071504), (48, 419129535), (55, 365785776), (60, 335303628), (66, 304821480), (72, 279419690), (80, 251477721), (88, 228616110), (90, 223535752), (99, 203214320), (110, 182892888), (120, 167651814), (132, 152410740), (144, 139709845), (165, 121928592), (176, 114308055), (180, 111767876), (198, 101607160), (220, 91446444), (240, 83825907), (264, 76205370), (330, 60964296), (360, 55883938), (396, 50803580), (440, 45723222), (495, 40642864), (528, 38102685), (660, 30482148), (720, 27941969), (792, 25401790), (880, 22861611), (990, 20321432), (1320, 15241074), (1584, 12700895), (1980, 10160716), (2640, 7620537), (3960, 5080358), (7920, 2540179)]