638222760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{84421}}^1$

素因数の和:84448

約数の個数: 128

約数和(自身を含む): 2431353600

約数和(自身を除く): 1793130840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 84421, 168842, 253263, 337684, 422105, 506526, 590947, 675368, 759789, 844210, 1013052, 1181894, 1266315, 1519578, 1688420, 1772841, 2026104, 2279367, 2363788, 2532630, 2954735, 3039156, 3376840, 3545682, 3798945, 4558734, 4727576, 5065260, 5318523, 5909470, 6078312, 7091364, 7597890, 8864205, 9117468, 10130520, 10637046, 11396835, 11818940, 14182728, 15195780, 15955569, 17728410, 18234936, 21274092, 22793670, 23637880, 26592615, 30391560, 31911138, 35456820, 42548184, 45587340, 53185230, 63822276, 70913640, 79777845, 91174680, 106370460, 127644552, 159555690, 212740920, 319111380, 638222760]

約数ペア:

[(1, 638222760), (2, 319111380), (3, 212740920), (4, 159555690), (5, 127644552), (6, 106370460), (7, 91174680), (8, 79777845), (9, 70913640), (10, 63822276), (12, 53185230), (14, 45587340), (15, 42548184), (18, 35456820), (20, 31911138), (21, 30391560), (24, 26592615), (27, 23637880), (28, 22793670), (30, 21274092), (35, 18234936), (36, 17728410), (40, 15955569), (42, 15195780), (45, 14182728), (54, 11818940), (56, 11396835), (60, 10637046), (63, 10130520), (70, 9117468), (72, 8864205), (84, 7597890), (90, 7091364), (105, 6078312), (108, 5909470), (120, 5318523), (126, 5065260), (135, 4727576), (140, 4558734), (168, 3798945), (180, 3545682), (189, 3376840), (210, 3039156), (216, 2954735), (252, 2532630), (270, 2363788), (280, 2279367), (315, 2026104), (360, 1772841), (378, 1688420), (420, 1519578), (504, 1266315), (540, 1181894), (630, 1013052), (756, 844210), (840, 759789), (945, 675368), (1080, 590947), (1260, 506526), (1512, 422105), (1890, 337684), (2520, 253263), (3780, 168842), (7560, 84421)]