261720270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3491}}^1$

素因数の和:3535

約数の個数: 144

約数和(自身を含む): 838373328

約数和(自身を除く): 576653058

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 170, 210, 238, 245, 255, 294, 306, 315, 357, 441, 490, 510, 595, 630, 714, 735, 765, 833, 882, 1071, 1190, 1470, 1530, 1666, 1785, 2142, 2205, 2499, 3491, 3570, 4165, 4410, 4998, 5355, 6982, 7497, 8330, 10473, 10710, 12495, 14994, 17455, 20946, 24437, 24990, 31419, 34910, 37485, 48874, 52365, 59347, 62838, 73311, 74970, 104730, 118694, 122185, 146622, 157095, 171059, 178041, 219933, 244370, 296735, 314190, 342118, 356082, 366555, 415429, 439866, 513177, 534123, 593470, 733110, 830858, 855295, 890205, 1026354, 1068246, 1099665, 1246287, 1539531, 1710590, 1780410, 2077145, 2199330, 2492574, 2565885, 2670615, 2908003, 3079062, 3738861, 4154290, 5131770, 5341230, 5816006, 6231435, 7477722, 7697655, 8724009, 12462870, 14540015, 15395310, 17448018, 18694305, 26172027, 29080030, 37388610, 43620045, 52344054, 87240090, 130860135, 261720270]

約数ペア:

[(1, 261720270), (2, 130860135), (3, 87240090), (5, 52344054), (6, 43620045), (7, 37388610), (9, 29080030), (10, 26172027), (14, 18694305), (15, 17448018), (17, 15395310), (18, 14540015), (21, 12462870), (30, 8724009), (34, 7697655), (35, 7477722), (42, 6231435), (45, 5816006), (49, 5341230), (51, 5131770), (63, 4154290), (70, 3738861), (85, 3079062), (90, 2908003), (98, 2670615), (102, 2565885), (105, 2492574), (119, 2199330), (126, 2077145), (147, 1780410), (153, 1710590), (170, 1539531), (210, 1246287), (238, 1099665), (245, 1068246), (255, 1026354), (294, 890205), (306, 855295), (315, 830858), (357, 733110), (441, 593470), (490, 534123), (510, 513177), (595, 439866), (630, 415429), (714, 366555), (735, 356082), (765, 342118), (833, 314190), (882, 296735), (1071, 244370), (1190, 219933), (1470, 178041), (1530, 171059), (1666, 157095), (1785, 146622), (2142, 122185), (2205, 118694), (2499, 104730), (3491, 74970), (3570, 73311), (4165, 62838), (4410, 59347), (4998, 52365), (5355, 48874), (6982, 37485), (7497, 34910), (8330, 31419), (10473, 24990), (10710, 24437), (12495, 20946), (14994, 17455)]