81842580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2003}}^1$

素因数の和:2245

約数の個数: 72

約数和(自身を含む): 249473952

約数和(自身を除く): 167631372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2003, 2043, 2270, 2724, 3405, 4006, 4086, 4540, 6009, 6810, 8012, 8172, 10015, 10215, 12018, 13620, 18027, 20030, 20430, 24036, 30045, 36054, 40060, 40860, 60090, 72108, 90135, 120180, 180270, 360540, 454681, 909362, 1364043, 1818724, 2273405, 2728086, 4092129, 4546810, 5456172, 6820215, 8184258, 9093620, 13640430, 16368516, 20460645, 27280860, 40921290, 81842580]

約数ペア:

[(1, 81842580), (2, 40921290), (3, 27280860), (4, 20460645), (5, 16368516), (6, 13640430), (9, 9093620), (10, 8184258), (12, 6820215), (15, 5456172), (18, 4546810), (20, 4092129), (30, 2728086), (36, 2273405), (45, 1818724), (60, 1364043), (90, 909362), (180, 454681), (227, 360540), (454, 180270), (681, 120180), (908, 90135), (1135, 72108), (1362, 60090), (2003, 40860), (2043, 40060), (2270, 36054), (2724, 30045), (3405, 24036), (4006, 20430), (4086, 20030), (4540, 18027), (6009, 13620), (6810, 12018), (8012, 10215), (8172, 10015)]