78409920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{81677}}^1$

素因数の和:81697

約数の個数: 56

約数和(自身を含む): 248954544

約数和(自身を除く): 170544624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 81677, 163354, 245031, 326708, 408385, 490062, 653416, 816770, 980124, 1225155, 1306832, 1633540, 1960248, 2450310, 2613664, 3267080, 3920496, 4900620, 5227328, 6534160, 7840992, 9801240, 13068320, 15681984, 19602480, 26136640, 39204960, 78409920]

約数ペア:

[(1, 78409920), (2, 39204960), (3, 26136640), (4, 19602480), (5, 15681984), (6, 13068320), (8, 9801240), (10, 7840992), (12, 6534160), (15, 5227328), (16, 4900620), (20, 3920496), (24, 3267080), (30, 2613664), (32, 2450310), (40, 1960248), (48, 1633540), (60, 1306832), (64, 1225155), (80, 980124), (96, 816770), (120, 653416), (160, 490062), (192, 408385), (240, 326708), (320, 245031), (480, 163354), (960, 81677)]