81545310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:120

約数の個数: 216

約数和(自身を含む): 275776488

約数和(自身を除く): 194231178

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 41, 42, 45, 49, 55, 63, 66, 70, 77, 82, 90, 98, 99, 105, 110, 123, 126, 147, 154, 165, 198, 205, 210, 231, 245, 246, 287, 294, 315, 330, 369, 385, 410, 441, 451, 462, 490, 495, 539, 574, 615, 630, 693, 735, 738, 770, 861, 882, 902, 990, 1078, 1155, 1230, 1353, 1386, 1435, 1470, 1617, 1681, 1722, 1845, 2009, 2205, 2255, 2310, 2583, 2695, 2706, 2870, 3157, 3234, 3362, 3465, 3690, 4018, 4059, 4305, 4410, 4510, 4851, 5043, 5166, 5390, 6027, 6314, 6765, 6930, 8085, 8118, 8405, 8610, 9471, 9702, 10045, 10086, 11767, 12054, 12915, 13530, 15129, 15785, 16170, 16810, 18081, 18491, 18942, 20090, 20295, 22099, 23534, 24255, 25215, 25830, 28413, 30135, 30258, 31570, 35301, 36162, 36982, 40590, 44198, 47355, 48510, 50430, 55473, 56826, 58835, 60270, 66297, 70602, 75645, 82369, 90405, 92455, 94710, 105903, 110495, 110946, 117670, 129437, 132594, 142065, 151290, 164738, 166419, 176505, 180810, 184910, 198891, 211806, 220990, 247107, 258874, 277365, 284130, 331485, 332838, 353010, 388311, 397782, 411845, 494214, 529515, 554730, 647185, 662970, 741321, 776622, 823690, 832095, 906059, 994455, 1059030, 1164933, 1235535, 1294370, 1482642, 1664190, 1812118, 1941555, 1988910, 2329866, 2471070, 2718177, 3706605, 3883110, 4530295, 5436354, 5824665, 7413210, 8154531, 9060590, 11649330, 13590885, 16309062, 27181770, 40772655, 81545310]

約数ペア:

[(1, 81545310), (2, 40772655), (3, 27181770), (5, 16309062), (6, 13590885), (7, 11649330), (9, 9060590), (10, 8154531), (11, 7413210), (14, 5824665), (15, 5436354), (18, 4530295), (21, 3883110), (22, 3706605), (30, 2718177), (33, 2471070), (35, 2329866), (41, 1988910), (42, 1941555), (45, 1812118), (49, 1664190), (55, 1482642), (63, 1294370), (66, 1235535), (70, 1164933), (77, 1059030), (82, 994455), (90, 906059), (98, 832095), (99, 823690), (105, 776622), (110, 741321), (123, 662970), (126, 647185), (147, 554730), (154, 529515), (165, 494214), (198, 411845), (205, 397782), (210, 388311), (231, 353010), (245, 332838), (246, 331485), (287, 284130), (294, 277365), (315, 258874), (330, 247107), (369, 220990), (385, 211806), (410, 198891), (441, 184910), (451, 180810), (462, 176505), (490, 166419), (495, 164738), (539, 151290), (574, 142065), (615, 132594), (630, 129437), (693, 117670), (735, 110946), (738, 110495), (770, 105903), (861, 94710), (882, 92455), (902, 90405), (990, 82369), (1078, 75645), (1155, 70602), (1230, 66297), (1353, 60270), (1386, 58835), (1435, 56826), (1470, 55473), (1617, 50430), (1681, 48510), (1722, 47355), (1845, 44198), (2009, 40590), (2205, 36982), (2255, 36162), (2310, 35301), (2583, 31570), (2695, 30258), (2706, 30135), (2870, 28413), (3157, 25830), (3234, 25215), (3362, 24255), (3465, 23534), (3690, 22099), (4018, 20295), (4059, 20090), (4305, 18942), (4410, 18491), (4510, 18081), (4851, 16810), (5043, 16170), (5166, 15785), (5390, 15129), (6027, 13530), (6314, 12915), (6765, 12054), (6930, 11767), (8085, 10086), (8118, 10045), (8405, 9702), (8610, 9471)]