1680252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 4553472

約数和(自身を除く): 2873220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 241, 249, 332, 482, 498, 581, 723, 964, 996, 1162, 1446, 1687, 1743, 2324, 2892, 3374, 3486, 5061, 6748, 6972, 10122, 20003, 20244, 40006, 60009, 80012, 120018, 140021, 240036, 280042, 420063, 560084, 840126, 1680252]

約数ペア:

[(1, 1680252), (2, 840126), (3, 560084), (4, 420063), (6, 280042), (7, 240036), (12, 140021), (14, 120018), (21, 80012), (28, 60009), (42, 40006), (83, 20244), (84, 20003), (166, 10122), (241, 6972), (249, 6748), (332, 5061), (482, 3486), (498, 3374), (581, 2892), (723, 2324), (964, 1743), (996, 1687), (1162, 1446)]