28192920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33563}}^1$

素因数の和:33584

約数の個数: 64

約数和(自身を含む): 96664320

約数和(自身を除く): 68471400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33563, 67126, 100689, 134252, 167815, 201378, 234941, 268504, 335630, 402756, 469882, 503445, 671260, 704823, 805512, 939764, 1006890, 1174705, 1342520, 1409646, 1879528, 2013780, 2349410, 2819292, 3524115, 4027560, 4698820, 5638584, 7048230, 9397640, 14096460, 28192920]

約数ペア:

[(1, 28192920), (2, 14096460), (3, 9397640), (4, 7048230), (5, 5638584), (6, 4698820), (7, 4027560), (8, 3524115), (10, 2819292), (12, 2349410), (14, 2013780), (15, 1879528), (20, 1409646), (21, 1342520), (24, 1174705), (28, 1006890), (30, 939764), (35, 805512), (40, 704823), (42, 671260), (56, 503445), (60, 469882), (70, 402756), (84, 335630), (105, 268504), (120, 234941), (140, 201378), (168, 167815), (210, 134252), (280, 100689), (420, 67126), (840, 33563)]