331166640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{197123}}^1$

素因数の和:197146

約数の個数: 80

約数和(自身を含む): 1173282048

約数和(自身を除く): 842115408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 197123, 394246, 591369, 788492, 985615, 1182738, 1379861, 1576984, 1971230, 2365476, 2759722, 2956845, 3153968, 3942460, 4139583, 4730952, 5519444, 5913690, 6899305, 7884920, 8279166, 9461904, 11038888, 11827380, 13798610, 15769840, 16558332, 20697915, 22077776, 23654760, 27597220, 33116664, 41395830, 47309520, 55194440, 66233328, 82791660, 110388880, 165583320, 331166640]

約数ペア:

[(1, 331166640), (2, 165583320), (3, 110388880), (4, 82791660), (5, 66233328), (6, 55194440), (7, 47309520), (8, 41395830), (10, 33116664), (12, 27597220), (14, 23654760), (15, 22077776), (16, 20697915), (20, 16558332), (21, 15769840), (24, 13798610), (28, 11827380), (30, 11038888), (35, 9461904), (40, 8279166), (42, 7884920), (48, 6899305), (56, 5913690), (60, 5519444), (70, 4730952), (80, 4139583), (84, 3942460), (105, 3153968), (112, 2956845), (120, 2759722), (140, 2365476), (168, 1971230), (210, 1576984), (240, 1379861), (280, 1182738), (336, 985615), (420, 788492), (560, 591369), (840, 394246), (1680, 197123)]