128836260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{102251}}^1$

素因数の和:102273

約数の個数: 72

約数和(自身を含む): 446636736

約数和(自身を除く): 317800476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 102251, 204502, 306753, 409004, 511255, 613506, 715757, 920259, 1022510, 1227012, 1431514, 1533765, 1840518, 2045020, 2147271, 2863028, 3067530, 3578785, 3681036, 4294542, 4601295, 6135060, 6441813, 7157570, 8589084, 9202590, 10736355, 12883626, 14315140, 18405180, 21472710, 25767252, 32209065, 42945420, 64418130, 128836260]

約数ペア:

[(1, 128836260), (2, 64418130), (3, 42945420), (4, 32209065), (5, 25767252), (6, 21472710), (7, 18405180), (9, 14315140), (10, 12883626), (12, 10736355), (14, 9202590), (15, 8589084), (18, 7157570), (20, 6441813), (21, 6135060), (28, 4601295), (30, 4294542), (35, 3681036), (36, 3578785), (42, 3067530), (45, 2863028), (60, 2147271), (63, 2045020), (70, 1840518), (84, 1533765), (90, 1431514), (105, 1227012), (126, 1022510), (140, 920259), (180, 715757), (210, 613506), (252, 511255), (315, 409004), (420, 306753), (630, 204502), (1260, 102251)]