80147844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{571}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 232360128

約数和(自身を除く): 152212284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 557, 571, 1114, 1142, 1671, 1713, 2228, 2284, 3342, 3426, 3899, 3997, 5013, 5139, 6684, 6852, 7798, 7994, 10026, 10278, 11697, 11991, 15596, 15988, 20052, 20556, 23394, 23982, 35091, 35973, 46788, 47964, 70182, 71946, 140364, 143892, 318047, 636094, 954141, 1272188, 1908282, 2226329, 2862423, 3816564, 4452658, 5724846, 6678987, 8905316, 11449692, 13357974, 20036961, 26715948, 40073922, 80147844]

約数ペア:

[(1, 80147844), (2, 40073922), (3, 26715948), (4, 20036961), (6, 13357974), (7, 11449692), (9, 8905316), (12, 6678987), (14, 5724846), (18, 4452658), (21, 3816564), (28, 2862423), (36, 2226329), (42, 1908282), (63, 1272188), (84, 954141), (126, 636094), (252, 318047), (557, 143892), (571, 140364), (1114, 71946), (1142, 70182), (1671, 47964), (1713, 46788), (2228, 35973), (2284, 35091), (3342, 23982), (3426, 23394), (3899, 20556), (3997, 20052), (5013, 15988), (5139, 15596), (6684, 11991), (6852, 11697), (7798, 10278), (7994, 10026)]