20161494540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1131397}}^1$

素因数の和:1131429

約数の個数: 120

約数和(自身を含む): 68997175632

約数和(自身を除く): 48835681092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2970, 3564, 4455, 5940, 8910, 17820, 1131397, 2262794, 3394191, 4525588, 5656985, 6788382, 10182573, 11313970, 12445367, 13576764, 16970955, 20365146, 22627940, 24890734, 30547719, 33941910, 37336101, 40730292, 49781468, 50912865, 61095438, 62226835, 67883820, 74672202, 91643157, 101825730, 112008303, 122190876, 124453670, 149344404, 152738595, 183286314, 186680505, 203651460, 224016606, 248907340, 305477190, 336024909, 366572628, 373361010, 448033212, 458215785, 560041515, 610954380, 672049818, 746722020, 916431570, 1008074727, 1120083030, 1344099636, 1680124545, 1832863140, 2016149454, 2240166060, 3360249090, 4032298908, 5040373635, 6720498180, 10080747270, 20161494540]

約数ペア:

[(1, 20161494540), (2, 10080747270), (3, 6720498180), (4, 5040373635), (5, 4032298908), (6, 3360249090), (9, 2240166060), (10, 2016149454), (11, 1832863140), (12, 1680124545), (15, 1344099636), (18, 1120083030), (20, 1008074727), (22, 916431570), (27, 746722020), (30, 672049818), (33, 610954380), (36, 560041515), (44, 458215785), (45, 448033212), (54, 373361010), (55, 366572628), (60, 336024909), (66, 305477190), (81, 248907340), (90, 224016606), (99, 203651460), (108, 186680505), (110, 183286314), (132, 152738595), (135, 149344404), (162, 124453670), (165, 122190876), (180, 112008303), (198, 101825730), (220, 91643157), (270, 74672202), (297, 67883820), (324, 62226835), (330, 61095438), (396, 50912865), (405, 49781468), (495, 40730292), (540, 37336101), (594, 33941910), (660, 30547719), (810, 24890734), (891, 22627940), (990, 20365146), (1188, 16970955), (1485, 13576764), (1620, 12445367), (1782, 11313970), (1980, 10182573), (2970, 6788382), (3564, 5656985), (4455, 4525588), (5940, 3394191), (8910, 2262794), (17820, 1131397)]