81759060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1049}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 248812200

約数和(自身を除く): 167053140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433, 866, 1049, 1299, 1732, 2098, 2165, 2598, 3147, 3897, 4196, 4330, 5196, 5245, 6294, 6495, 7794, 8660, 9441, 10490, 12588, 12990, 15588, 15735, 18882, 19485, 20980, 25980, 31470, 37764, 38970, 47205, 62940, 77940, 94410, 188820, 454217, 908434, 1362651, 1816868, 2271085, 2725302, 4087953, 4542170, 5450604, 6813255, 8175906, 9084340, 13626510, 16351812, 20439765, 27253020, 40879530, 81759060]

約数ペア:

[(1, 81759060), (2, 40879530), (3, 27253020), (4, 20439765), (5, 16351812), (6, 13626510), (9, 9084340), (10, 8175906), (12, 6813255), (15, 5450604), (18, 4542170), (20, 4087953), (30, 2725302), (36, 2271085), (45, 1816868), (60, 1362651), (90, 908434), (180, 454217), (433, 188820), (866, 94410), (1049, 77940), (1299, 62940), (1732, 47205), (2098, 38970), (2165, 37764), (2598, 31470), (3147, 25980), (3897, 20980), (4196, 19485), (4330, 18882), (5196, 15735), (5245, 15588), (6294, 12990), (6495, 12588), (7794, 10490), (8660, 9441)]