180291272

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 396748800

約数和(自身を除く): 216457528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 83, 158, 166, 316, 332, 491, 553, 581, 632, 664, 982, 1106, 1162, 1964, 2212, 2324, 3437, 3928, 4424, 4648, 6557, 6874, 13114, 13748, 26228, 27496, 38789, 40753, 45899, 52456, 77578, 81506, 91798, 155156, 163012, 183596, 271523, 285271, 310312, 326024, 367192, 543046, 570542, 1086092, 1141084, 2172184, 2282168, 3219487, 6438974, 12877948, 22536409, 25755896, 45072818, 90145636, 180291272]

約数ペア:

[(1, 180291272), (2, 90145636), (4, 45072818), (7, 25755896), (8, 22536409), (14, 12877948), (28, 6438974), (56, 3219487), (79, 2282168), (83, 2172184), (158, 1141084), (166, 1086092), (316, 570542), (332, 543046), (491, 367192), (553, 326024), (581, 310312), (632, 285271), (664, 271523), (982, 183596), (1106, 163012), (1162, 155156), (1964, 91798), (2212, 81506), (2324, 77578), (3437, 52456), (3928, 45899), (4424, 40753), (4648, 38789), (6557, 27496), (6874, 26228), (13114, 13748)]