2764880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 7231680

約数和(自身を除く): 4466800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 107, 136, 152, 170, 190, 214, 272, 304, 323, 340, 380, 428, 535, 646, 680, 760, 856, 1070, 1292, 1360, 1520, 1615, 1712, 1819, 2033, 2140, 2584, 3230, 3638, 4066, 4280, 5168, 6460, 7276, 8132, 8560, 9095, 10165, 12920, 14552, 16264, 18190, 20330, 25840, 29104, 32528, 34561, 36380, 40660, 69122, 72760, 81320, 138244, 145520, 162640, 172805, 276488, 345610, 552976, 691220, 1382440, 2764880]

約数ペア:

[(1, 2764880), (2, 1382440), (4, 691220), (5, 552976), (8, 345610), (10, 276488), (16, 172805), (17, 162640), (19, 145520), (20, 138244), (34, 81320), (38, 72760), (40, 69122), (68, 40660), (76, 36380), (80, 34561), (85, 32528), (95, 29104), (107, 25840), (136, 20330), (152, 18190), (170, 16264), (190, 14552), (214, 12920), (272, 10165), (304, 9095), (323, 8560), (340, 8132), (380, 7276), (428, 6460), (535, 5168), (646, 4280), (680, 4066), (760, 3638), (856, 3230), (1070, 2584), (1292, 2140), (1360, 2033), (1520, 1819), (1615, 1712)]