1281128256

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1381

約数の個数: 168

約数和(自身を含む): 3854622720

約数和(自身を除く): 2573494464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 47, 48, 64, 72, 74, 94, 96, 111, 141, 144, 148, 188, 192, 222, 282, 288, 296, 333, 376, 423, 444, 564, 576, 592, 666, 752, 846, 888, 1128, 1184, 1279, 1332, 1504, 1692, 1739, 1776, 2256, 2368, 2558, 2664, 3008, 3384, 3478, 3552, 3837, 4512, 5116, 5217, 5328, 6768, 6956, 7104, 7674, 9024, 10232, 10434, 10656, 11511, 13536, 13912, 15348, 15651, 20464, 20868, 21312, 23022, 27072, 27824, 30696, 31302, 40928, 41736, 46044, 47323, 55648, 60113, 61392, 62604, 81856, 83472, 92088, 94646, 111296, 120226, 122784, 125208, 141969, 166944, 180339, 184176, 189292, 240452, 245568, 250416, 283938, 333888, 360678, 368352, 378584, 425907, 480904, 500832, 541017, 567876, 721356, 736704, 757168, 851814, 961808, 1001664, 1082034, 1135752, 1442712, 1514336, 1703628, 1923616, 2164068, 2224181, 2271504, 2885424, 3028672, 3407256, 3847232, 4328136, 4448362, 4543008, 5770848, 6672543, 6814512, 8656272, 8896724, 9086016, 11541696, 13345086, 13629024, 17312544, 17793448, 20017629, 26690172, 27258048, 34625088, 35586896, 40035258, 53380344, 71173792, 80070516, 106760688, 142347584, 160141032, 213521376, 320282064, 427042752, 640564128, 1281128256]

約数ペア:

[(1, 1281128256), (2, 640564128), (3, 427042752), (4, 320282064), (6, 213521376), (8, 160141032), (9, 142347584), (12, 106760688), (16, 80070516), (18, 71173792), (24, 53380344), (32, 40035258), (36, 35586896), (37, 34625088), (47, 27258048), (48, 26690172), (64, 20017629), (72, 17793448), (74, 17312544), (94, 13629024), (96, 13345086), (111, 11541696), (141, 9086016), (144, 8896724), (148, 8656272), (188, 6814512), (192, 6672543), (222, 5770848), (282, 4543008), (288, 4448362), (296, 4328136), (333, 3847232), (376, 3407256), (423, 3028672), (444, 2885424), (564, 2271504), (576, 2224181), (592, 2164068), (666, 1923616), (752, 1703628), (846, 1514336), (888, 1442712), (1128, 1135752), (1184, 1082034), (1279, 1001664), (1332, 961808), (1504, 851814), (1692, 757168), (1739, 736704), (1776, 721356), (2256, 567876), (2368, 541017), (2558, 500832), (2664, 480904), (3008, 425907), (3384, 378584), (3478, 368352), (3552, 360678), (3837, 333888), (4512, 283938), (5116, 250416), (5217, 245568), (5328, 240452), (6768, 189292), (6956, 184176), (7104, 180339), (7674, 166944), (9024, 141969), (10232, 125208), (10434, 122784), (10656, 120226), (11511, 111296), (13536, 94646), (13912, 92088), (15348, 83472), (15651, 81856), (20464, 62604), (20868, 61392), (21312, 60113), (23022, 55648), (27072, 47323), (27824, 46044), (30696, 41736), (31302, 40928)]