205693740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163249}}^1$

素因数の和:163271

約数の個数: 72

約数和(自身を含む): 713076000

約数和(自身を除く): 507382260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163249, 326498, 489747, 652996, 816245, 979494, 1142743, 1469241, 1632490, 1958988, 2285486, 2448735, 2938482, 3264980, 3428229, 4570972, 4897470, 5713715, 5876964, 6856458, 7346205, 9794940, 10284687, 11427430, 13712916, 14692410, 17141145, 20569374, 22854860, 29384820, 34282290, 41138748, 51423435, 68564580, 102846870, 205693740]

約数ペア:

[(1, 205693740), (2, 102846870), (3, 68564580), (4, 51423435), (5, 41138748), (6, 34282290), (7, 29384820), (9, 22854860), (10, 20569374), (12, 17141145), (14, 14692410), (15, 13712916), (18, 11427430), (20, 10284687), (21, 9794940), (28, 7346205), (30, 6856458), (35, 5876964), (36, 5713715), (42, 4897470), (45, 4570972), (60, 3428229), (63, 3264980), (70, 2938482), (84, 2448735), (90, 2285486), (105, 1958988), (126, 1632490), (140, 1469241), (180, 1142743), (210, 979494), (252, 816245), (315, 652996), (420, 489747), (630, 326498), (1260, 163249)]