686428120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{40189}}^1$

素因数の和:40268

約数の個数: 64

約数和(自身を含む): 1794081600

約数和(自身を除く): 1107653480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 40189, 80378, 160756, 200945, 281323, 321512, 401890, 562646, 803780, 1125292, 1406615, 1607560, 2250584, 2451529, 2813230, 4903058, 5626460, 9806116, 11252920, 12257645, 17160703, 19612232, 24515290, 34321406, 49030580, 68642812, 85803515, 98061160, 137285624, 171607030, 343214060, 686428120]

約数ペア:

[(1, 686428120), (2, 343214060), (4, 171607030), (5, 137285624), (7, 98061160), (8, 85803515), (10, 68642812), (14, 49030580), (20, 34321406), (28, 24515290), (35, 19612232), (40, 17160703), (56, 12257645), (61, 11252920), (70, 9806116), (122, 5626460), (140, 4903058), (244, 2813230), (280, 2451529), (305, 2250584), (427, 1607560), (488, 1406615), (610, 1125292), (854, 803780), (1220, 562646), (1708, 401890), (2135, 321512), (2440, 281323), (3416, 200945), (4270, 160756), (8540, 80378), (17080, 40189)]