31840830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 102850560

約数和(自身を除く): 71009730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 714, 765, 918, 945, 991, 1071, 1190, 1530, 1785, 1890, 1982, 2142, 2295, 2973, 3213, 3570, 4590, 4955, 5355, 5946, 6426, 6937, 8919, 9910, 10710, 13874, 14865, 16065, 16847, 17838, 20811, 26757, 29730, 32130, 33694, 34685, 41622, 44595, 50541, 53514, 62433, 69370, 84235, 89190, 101082, 104055, 117929, 124866, 133785, 151623, 168470, 187299, 208110, 235858, 252705, 267570, 303246, 312165, 353787, 374598, 454869, 505410, 589645, 624330, 707574, 758115, 909738, 936495, 1061361, 1179290, 1516230, 1768935, 1872990, 2122722, 2274345, 3184083, 3537870, 4548690, 5306805, 6368166, 10613610, 15920415, 31840830]

約数ペア:

[(1, 31840830), (2, 15920415), (3, 10613610), (5, 6368166), (6, 5306805), (7, 4548690), (9, 3537870), (10, 3184083), (14, 2274345), (15, 2122722), (17, 1872990), (18, 1768935), (21, 1516230), (27, 1179290), (30, 1061361), (34, 936495), (35, 909738), (42, 758115), (45, 707574), (51, 624330), (54, 589645), (63, 505410), (70, 454869), (85, 374598), (90, 353787), (102, 312165), (105, 303246), (119, 267570), (126, 252705), (135, 235858), (153, 208110), (170, 187299), (189, 168470), (210, 151623), (238, 133785), (255, 124866), (270, 117929), (306, 104055), (315, 101082), (357, 89190), (378, 84235), (459, 69370), (510, 62433), (595, 53514), (630, 50541), (714, 44595), (765, 41622), (918, 34685), (945, 33694), (991, 32130), (1071, 29730), (1190, 26757), (1530, 20811), (1785, 17838), (1890, 16847), (1982, 16065), (2142, 14865), (2295, 13874), (2973, 10710), (3213, 9910), (3570, 8919), (4590, 6937), (4955, 6426), (5355, 5946)]