78918480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109609}}^1$

素因数の和:109628

約数の個数: 60

約数和(自身を含む): 265036980

約数和(自身を除く): 186118500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109609, 219218, 328827, 438436, 548045, 657654, 876872, 986481, 1096090, 1315308, 1644135, 1753744, 1972962, 2192180, 2630616, 3288270, 3945924, 4384360, 4932405, 5261232, 6576540, 7891848, 8768720, 9864810, 13153080, 15783696, 19729620, 26306160, 39459240, 78918480]

約数ペア:

[(1, 78918480), (2, 39459240), (3, 26306160), (4, 19729620), (5, 15783696), (6, 13153080), (8, 9864810), (9, 8768720), (10, 7891848), (12, 6576540), (15, 5261232), (16, 4932405), (18, 4384360), (20, 3945924), (24, 3288270), (30, 2630616), (36, 2192180), (40, 1972962), (45, 1753744), (48, 1644135), (60, 1315308), (72, 1096090), (80, 986481), (90, 876872), (120, 657654), (144, 548045), (180, 438436), (240, 328827), (360, 219218), (720, 109609)]