1258975620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:787

約数の個数: 216

約数和(自身を含む): 4466007000

約数和(自身を除く): 3207031380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 349, 409, 420, 441, 490, 588, 630, 698, 735, 818, 882, 980, 1047, 1227, 1260, 1396, 1470, 1636, 1745, 1764, 2045, 2094, 2205, 2443, 2454, 2863, 2940, 3141, 3490, 3681, 4090, 4188, 4410, 4886, 4908, 5235, 5726, 6135, 6282, 6980, 7329, 7362, 8180, 8589, 8820, 9772, 10470, 11452, 12215, 12270, 12564, 14315, 14658, 14724, 15705, 17101, 17178, 18405, 20041, 20940, 21987, 24430, 24540, 25767, 28630, 29316, 31410, 34202, 34356, 36645, 36810, 40082, 42945, 43974, 48860, 51303, 51534, 57260, 60123, 62820, 68404, 73290, 73620, 80164, 85505, 85890, 87948, 100205, 102606, 103068, 109935, 120246, 128835, 142741, 146580, 153909, 171010, 171780, 180369, 200410, 205212, 219870, 240492, 256515, 257670, 285482, 300615, 307818, 342020, 360738, 400820, 428223, 439740, 513030, 515340, 570964, 601230, 615636, 713705, 721476, 769545, 856446, 901845, 999187, 1026060, 1202460, 1284669, 1427410, 1539090, 1712892, 1803690, 1998374, 2141115, 2569338, 2854820, 2997561, 3078180, 3607380, 3996748, 4282230, 4995935, 5138676, 5995122, 6423345, 6994309, 8564460, 8992683, 9991870, 11990244, 12846690, 13988618, 14987805, 17985366, 19983740, 20982927, 25693380, 27977236, 29975610, 34971545, 35970732, 41965854, 44963415, 59951220, 62948781, 69943090, 83931708, 89926830, 104914635, 125897562, 139886180, 179853660, 209829270, 251795124, 314743905, 419658540, 629487810, 1258975620]

約数ペア:

[(1, 1258975620), (2, 629487810), (3, 419658540), (4, 314743905), (5, 251795124), (6, 209829270), (7, 179853660), (9, 139886180), (10, 125897562), (12, 104914635), (14, 89926830), (15, 83931708), (18, 69943090), (20, 62948781), (21, 59951220), (28, 44963415), (30, 41965854), (35, 35970732), (36, 34971545), (42, 29975610), (45, 27977236), (49, 25693380), (60, 20982927), (63, 19983740), (70, 17985366), (84, 14987805), (90, 13988618), (98, 12846690), (105, 11990244), (126, 9991870), (140, 8992683), (147, 8564460), (180, 6994309), (196, 6423345), (210, 5995122), (245, 5138676), (252, 4995935), (294, 4282230), (315, 3996748), (349, 3607380), (409, 3078180), (420, 2997561), (441, 2854820), (490, 2569338), (588, 2141115), (630, 1998374), (698, 1803690), (735, 1712892), (818, 1539090), (882, 1427410), (980, 1284669), (1047, 1202460), (1227, 1026060), (1260, 999187), (1396, 901845), (1470, 856446), (1636, 769545), (1745, 721476), (1764, 713705), (2045, 615636), (2094, 601230), (2205, 570964), (2443, 515340), (2454, 513030), (2863, 439740), (2940, 428223), (3141, 400820), (3490, 360738), (3681, 342020), (4090, 307818), (4188, 300615), (4410, 285482), (4886, 257670), (4908, 256515), (5235, 240492), (5726, 219870), (6135, 205212), (6282, 200410), (6980, 180369), (7329, 171780), (7362, 171010), (8180, 153909), (8589, 146580), (8820, 142741), (9772, 128835), (10470, 120246), (11452, 109935), (12215, 103068), (12270, 102606), (12564, 100205), (14315, 87948), (14658, 85890), (14724, 85505), (15705, 80164), (17101, 73620), (17178, 73290), (18405, 68404), (20041, 62820), (20940, 60123), (21987, 57260), (24430, 51534), (24540, 51303), (25767, 48860), (28630, 43974), (29316, 42945), (31410, 40082), (34202, 36810), (34356, 36645)]