20124824280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{21383}}^1$

素因数の和:21462

約数の個数: 256

約数和(自身を含む): 70946979840

約数和(自身を除く): 50822155560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 31, 33, 40, 44, 46, 55, 60, 62, 66, 69, 88, 92, 93, 110, 115, 120, 124, 132, 138, 155, 165, 184, 186, 220, 230, 248, 253, 264, 276, 310, 330, 341, 345, 372, 440, 460, 465, 506, 552, 620, 660, 682, 690, 713, 744, 759, 920, 930, 1012, 1023, 1240, 1265, 1320, 1364, 1380, 1426, 1518, 1705, 1860, 2024, 2046, 2139, 2530, 2728, 2760, 2852, 3036, 3410, 3565, 3720, 3795, 4092, 4278, 5060, 5115, 5704, 6072, 6820, 7130, 7590, 7843, 8184, 8556, 10120, 10230, 10695, 13640, 14260, 15180, 15686, 17112, 20460, 21383, 21390, 23529, 28520, 30360, 31372, 39215, 40920, 42766, 42780, 47058, 62744, 64149, 78430, 85532, 85560, 94116, 106915, 117645, 128298, 156860, 171064, 188232, 213830, 235213, 235290, 256596, 313720, 320745, 427660, 470426, 470580, 491809, 513192, 641490, 662873, 705639, 855320, 940852, 941160, 983618, 1176065, 1282980, 1325746, 1411278, 1475427, 1881704, 1967236, 1988619, 2352130, 2459045, 2565960, 2651492, 2822556, 2950854, 3314365, 3528195, 3934472, 3977238, 4704260, 4918090, 5302984, 5409899, 5645112, 5901708, 6628730, 7056390, 7291603, 7377135, 7954476, 9408520, 9836180, 9943095, 10819798, 11803416, 13257460, 14112780, 14583206, 14754270, 15246079, 15908952, 16229697, 19672360, 19886190, 21639596, 21874809, 26514920, 27049495, 28225560, 29166412, 29508540, 30492158, 32459394, 36458015, 39772380, 43279192, 43749618, 45738237, 54098990, 58332824, 59017080, 60984316, 64918788, 72916030, 76230395, 79544760, 81148485, 87499236, 91476474, 108197980, 109374045, 121968632, 129837576, 145832060, 152460790, 162296970, 167706869, 174998472, 182952948, 216395960, 218748090, 228691185, 291664120, 304921580, 324593940, 335413738, 365905896, 437496180, 457382370, 503120607, 609843160, 649187880, 670827476, 838534345, 874992360, 914764740, 1006241214, 1341654952, 1677068690, 1829529480, 2012482428, 2515603035, 3354137380, 4024964856, 5031206070, 6708274760, 10062412140, 20124824280]

約数ペア:

[(1, 20124824280), (2, 10062412140), (3, 6708274760), (4, 5031206070), (5, 4024964856), (6, 3354137380), (8, 2515603035), (10, 2012482428), (11, 1829529480), (12, 1677068690), (15, 1341654952), (20, 1006241214), (22, 914764740), (23, 874992360), (24, 838534345), (30, 670827476), (31, 649187880), (33, 609843160), (40, 503120607), (44, 457382370), (46, 437496180), (55, 365905896), (60, 335413738), (62, 324593940), (66, 304921580), (69, 291664120), (88, 228691185), (92, 218748090), (93, 216395960), (110, 182952948), (115, 174998472), (120, 167706869), (124, 162296970), (132, 152460790), (138, 145832060), (155, 129837576), (165, 121968632), (184, 109374045), (186, 108197980), (220, 91476474), (230, 87499236), (248, 81148485), (253, 79544760), (264, 76230395), (276, 72916030), (310, 64918788), (330, 60984316), (341, 59017080), (345, 58332824), (372, 54098990), (440, 45738237), (460, 43749618), (465, 43279192), (506, 39772380), (552, 36458015), (620, 32459394), (660, 30492158), (682, 29508540), (690, 29166412), (713, 28225560), (744, 27049495), (759, 26514920), (920, 21874809), (930, 21639596), (1012, 19886190), (1023, 19672360), (1240, 16229697), (1265, 15908952), (1320, 15246079), (1364, 14754270), (1380, 14583206), (1426, 14112780), (1518, 13257460), (1705, 11803416), (1860, 10819798), (2024, 9943095), (2046, 9836180), (2139, 9408520), (2530, 7954476), (2728, 7377135), (2760, 7291603), (2852, 7056390), (3036, 6628730), (3410, 5901708), (3565, 5645112), (3720, 5409899), (3795, 5302984), (4092, 4918090), (4278, 4704260), (5060, 3977238), (5115, 3934472), (5704, 3528195), (6072, 3314365), (6820, 2950854), (7130, 2822556), (7590, 2651492), (7843, 2565960), (8184, 2459045), (8556, 2352130), (10120, 1988619), (10230, 1967236), (10695, 1881704), (13640, 1475427), (14260, 1411278), (15180, 1325746), (15686, 1282980), (17112, 1176065), (20460, 983618), (21383, 941160), (21390, 940852), (23529, 855320), (28520, 705639), (30360, 662873), (31372, 641490), (39215, 513192), (40920, 491809), (42766, 470580), (42780, 470426), (47058, 427660), (62744, 320745), (64149, 313720), (78430, 256596), (85532, 235290), (85560, 235213), (94116, 213830), (106915, 188232), (117645, 171064), (128298, 156860)]