31811600080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:454

約数の個数: 240

約数和(自身を含む): 81978753024

約数和(自身を除く): 50167152944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 127, 130, 169, 191, 194, 208, 254, 260, 338, 382, 388, 485, 508, 520, 635, 676, 764, 776, 845, 955, 970, 1016, 1040, 1261, 1270, 1352, 1528, 1552, 1651, 1690, 1910, 1940, 2032, 2483, 2522, 2540, 2704, 3056, 3302, 3380, 3820, 3880, 4966, 5044, 5080, 6305, 6604, 6760, 7640, 7760, 8255, 9932, 10088, 10160, 12319, 12415, 12610, 13208, 13520, 15280, 16393, 16510, 18527, 19864, 20176, 21463, 24257, 24638, 24830, 25220, 26416, 32279, 32786, 33020, 37054, 39728, 42926, 48514, 49276, 49660, 50440, 61595, 64558, 65572, 66040, 74108, 81965, 85852, 92635, 97028, 98552, 99320, 100880, 107315, 121285, 123190, 129116, 131144, 132080, 148216, 160147, 161395, 163930, 171704, 185270, 194056, 197104, 198640, 214630, 240851, 242570, 246380, 258232, 262288, 296432, 315341, 320294, 322790, 327860, 343408, 370540, 388112, 429260, 481702, 485140, 492760, 516464, 630682, 640588, 645580, 655720, 741080, 800735, 858520, 963404, 970280, 985520, 1204255, 1261364, 1281176, 1291160, 1311440, 1482160, 1576705, 1601470, 1717040, 1926808, 1940560, 2081911, 2352929, 2408510, 2522728, 2562352, 2582320, 3131063, 3153410, 3202940, 3853616, 4099433, 4163822, 4705858, 4817020, 5045456, 6262126, 6306820, 6405880, 8198866, 8327644, 9411716, 9634040, 10409555, 11764645, 12524252, 12613640, 12811760, 15655315, 16397732, 16655288, 18823432, 19268080, 20497165, 20819110, 23529290, 25048504, 25227280, 30588077, 31310630, 32795464, 33310576, 37646864, 40994330, 41638220, 47058580, 50097008, 61176154, 62621260, 65590928, 81988660, 83276440, 94117160, 122352308, 125242520, 152940385, 163977320, 166552880, 188234320, 244704616, 250485040, 305880770, 327954640, 397645001, 489409232, 611761540, 795290002, 1223523080, 1590580004, 1988225005, 2447046160, 3181160008, 3976450010, 6362320016, 7952900020, 15905800040, 31811600080]

約数ペア:

[(1, 31811600080), (2, 15905800040), (4, 7952900020), (5, 6362320016), (8, 3976450010), (10, 3181160008), (13, 2447046160), (16, 1988225005), (20, 1590580004), (26, 1223523080), (40, 795290002), (52, 611761540), (65, 489409232), (80, 397645001), (97, 327954640), (104, 305880770), (127, 250485040), (130, 244704616), (169, 188234320), (191, 166552880), (194, 163977320), (208, 152940385), (254, 125242520), (260, 122352308), (338, 94117160), (382, 83276440), (388, 81988660), (485, 65590928), (508, 62621260), (520, 61176154), (635, 50097008), (676, 47058580), (764, 41638220), (776, 40994330), (845, 37646864), (955, 33310576), (970, 32795464), (1016, 31310630), (1040, 30588077), (1261, 25227280), (1270, 25048504), (1352, 23529290), (1528, 20819110), (1552, 20497165), (1651, 19268080), (1690, 18823432), (1910, 16655288), (1940, 16397732), (2032, 15655315), (2483, 12811760), (2522, 12613640), (2540, 12524252), (2704, 11764645), (3056, 10409555), (3302, 9634040), (3380, 9411716), (3820, 8327644), (3880, 8198866), (4966, 6405880), (5044, 6306820), (5080, 6262126), (6305, 5045456), (6604, 4817020), (6760, 4705858), (7640, 4163822), (7760, 4099433), (8255, 3853616), (9932, 3202940), (10088, 3153410), (10160, 3131063), (12319, 2582320), (12415, 2562352), (12610, 2522728), (13208, 2408510), (13520, 2352929), (15280, 2081911), (16393, 1940560), (16510, 1926808), (18527, 1717040), (19864, 1601470), (20176, 1576705), (21463, 1482160), (24257, 1311440), (24638, 1291160), (24830, 1281176), (25220, 1261364), (26416, 1204255), (32279, 985520), (32786, 970280), (33020, 963404), (37054, 858520), (39728, 800735), (42926, 741080), (48514, 655720), (49276, 645580), (49660, 640588), (50440, 630682), (61595, 516464), (64558, 492760), (65572, 485140), (66040, 481702), (74108, 429260), (81965, 388112), (85852, 370540), (92635, 343408), (97028, 327860), (98552, 322790), (99320, 320294), (100880, 315341), (107315, 296432), (121285, 262288), (123190, 258232), (129116, 246380), (131144, 242570), (132080, 240851), (148216, 214630), (160147, 198640), (161395, 197104), (163930, 194056), (171704, 185270)]