81634020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104659}}^1$

素因数の和:104684

約数の個数: 48

約数和(自身を含む): 246160320

約数和(自身を除く): 164526300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 104659, 209318, 313977, 418636, 523295, 627954, 1046590, 1255908, 1360567, 1569885, 2093180, 2721134, 3139770, 4081701, 5442268, 6279540, 6802835, 8163402, 13605670, 16326804, 20408505, 27211340, 40817010, 81634020]

約数ペア:

[(1, 81634020), (2, 40817010), (3, 27211340), (4, 20408505), (5, 16326804), (6, 13605670), (10, 8163402), (12, 6802835), (13, 6279540), (15, 5442268), (20, 4081701), (26, 3139770), (30, 2721134), (39, 2093180), (52, 1569885), (60, 1360567), (65, 1255908), (78, 1046590), (130, 627954), (156, 523295), (195, 418636), (260, 313977), (390, 209318), (780, 104659)]