64641780

素因数分解:

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

素因数の和:388

約数の個数: 192

約数和(自身を含む): 235200000

約数和(自身を除く): 170558220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 343, 349, 378, 420, 441, 490, 540, 588, 630, 686, 698, 735, 756, 882, 945, 980, 1029, 1047, 1260, 1323, 1372, 1396, 1470, 1715, 1745, 1764, 1890, 2058, 2094, 2205, 2443, 2646, 2940, 3087, 3141, 3430, 3490, 3780, 4116, 4188, 4410, 4886, 5145, 5235, 5292, 6174, 6282, 6615, 6860, 6980, 7329, 8820, 9261, 9423, 9772, 10290, 10470, 12215, 12348, 12564, 13230, 14658, 15435, 15705, 17101, 18522, 18846, 20580, 20940, 21987, 24430, 26460, 29316, 30870, 31410, 34202, 36645, 37044, 37692, 43974, 46305, 47115, 48860, 51303, 61740, 62820, 65961, 68404, 73290, 85505, 87948, 92610, 94230, 102606, 109935, 119707, 131922, 146580, 153909, 171010, 185220, 188460, 205212, 219870, 239414, 256515, 263844, 307818, 329805, 342020, 359121, 439740, 461727, 478828, 513030, 598535, 615636, 659610, 718242, 769545, 923454, 1026060, 1077363, 1197070, 1319220, 1436484, 1539090, 1795605, 1846908, 2154726, 2308635, 2394140, 3078180, 3232089, 3591210, 4309452, 4617270, 5386815, 6464178, 7182420, 9234540, 10773630, 12928356, 16160445, 21547260, 32320890, 64641780]

約数ペア:

[(1, 64641780), (2, 32320890), (3, 21547260), (4, 16160445), (5, 12928356), (6, 10773630), (7, 9234540), (9, 7182420), (10, 6464178), (12, 5386815), (14, 4617270), (15, 4309452), (18, 3591210), (20, 3232089), (21, 3078180), (27, 2394140), (28, 2308635), (30, 2154726), (35, 1846908), (36, 1795605), (42, 1539090), (45, 1436484), (49, 1319220), (54, 1197070), (60, 1077363), (63, 1026060), (70, 923454), (84, 769545), (90, 718242), (98, 659610), (105, 615636), (108, 598535), (126, 513030), (135, 478828), (140, 461727), (147, 439740), (180, 359121), (189, 342020), (196, 329805), (210, 307818), (245, 263844), (252, 256515), (270, 239414), (294, 219870), (315, 205212), (343, 188460), (349, 185220), (378, 171010), (420, 153909), (441, 146580), (490, 131922), (540, 119707), (588, 109935), (630, 102606), (686, 94230), (698, 92610), (735, 87948), (756, 85505), (882, 73290), (945, 68404), (980, 65961), (1029, 62820), (1047, 61740), (1260, 51303), (1323, 48860), (1372, 47115), (1396, 46305), (1470, 43974), (1715, 37692), (1745, 37044), (1764, 36645), (1890, 34202), (2058, 31410), (2094, 30870), (2205, 29316), (2443, 26460), (2646, 24430), (2940, 21987), (3087, 20940), (3141, 20580), (3430, 18846), (3490, 18522), (3780, 17101), (4116, 15705), (4188, 15435), (4410, 14658), (4886, 13230), (5145, 12564), (5235, 12348), (5292, 12215), (6174, 10470), (6282, 10290), (6615, 9772), (6860, 9423), (6980, 9261), (7329, 8820)]