205684080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 160

約数和(自身を含む): 733667328

約数和(自身を除く): 527983248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 191, 210, 240, 280, 336, 382, 420, 560, 573, 641, 764, 840, 955, 1146, 1282, 1337, 1528, 1680, 1910, 1923, 2292, 2564, 2674, 2865, 3056, 3205, 3820, 3846, 4011, 4487, 4584, 5128, 5348, 5730, 6410, 6685, 7640, 7692, 8022, 8974, 9168, 9615, 10256, 10696, 11460, 12820, 13370, 13461, 15280, 15384, 16044, 17948, 19230, 20055, 21392, 22435, 22920, 25640, 26740, 26922, 30768, 32088, 35896, 38460, 40110, 44870, 45840, 51280, 53480, 53844, 64176, 67305, 71792, 76920, 80220, 89740, 106960, 107688, 122431, 134610, 153840, 160440, 179480, 215376, 244862, 269220, 320880, 358960, 367293, 489724, 538440, 612155, 734586, 857017, 979448, 1076880, 1224310, 1469172, 1714034, 1836465, 1958896, 2448620, 2571051, 2938344, 3428068, 3672930, 4285085, 4897240, 5142102, 5876688, 6856136, 7345860, 8570170, 9794480, 10284204, 12855255, 13712272, 14691720, 17140340, 20568408, 25710510, 29383440, 34280680, 41136816, 51421020, 68561360, 102842040, 205684080]

約数ペア:

[(1, 205684080), (2, 102842040), (3, 68561360), (4, 51421020), (5, 41136816), (6, 34280680), (7, 29383440), (8, 25710510), (10, 20568408), (12, 17140340), (14, 14691720), (15, 13712272), (16, 12855255), (20, 10284204), (21, 9794480), (24, 8570170), (28, 7345860), (30, 6856136), (35, 5876688), (40, 5142102), (42, 4897240), (48, 4285085), (56, 3672930), (60, 3428068), (70, 2938344), (80, 2571051), (84, 2448620), (105, 1958896), (112, 1836465), (120, 1714034), (140, 1469172), (168, 1224310), (191, 1076880), (210, 979448), (240, 857017), (280, 734586), (336, 612155), (382, 538440), (420, 489724), (560, 367293), (573, 358960), (641, 320880), (764, 269220), (840, 244862), (955, 215376), (1146, 179480), (1282, 160440), (1337, 153840), (1528, 134610), (1680, 122431), (1910, 107688), (1923, 106960), (2292, 89740), (2564, 80220), (2674, 76920), (2865, 71792), (3056, 67305), (3205, 64176), (3820, 53844), (3846, 53480), (4011, 51280), (4487, 45840), (4584, 44870), (5128, 40110), (5348, 38460), (5730, 35896), (6410, 32088), (6685, 30768), (7640, 26922), (7692, 26740), (8022, 25640), (8974, 22920), (9168, 22435), (9615, 21392), (10256, 20055), (10696, 19230), (11460, 17948), (12820, 16044), (13370, 15384), (13461, 15280)]