261131328

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^2\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 126

約数和(自身を含む): 783356574

約数和(自身を除く): 522225246

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 529, 552, 576, 736, 828, 857, 1058, 1104, 1472, 1587, 1656, 1714, 2116, 2208, 2571, 3174, 3312, 3428, 4232, 4416, 4761, 5142, 6348, 6624, 6856, 7713, 8464, 9522, 10284, 12696, 13248, 13712, 15426, 16928, 19044, 19711, 20568, 25392, 27424, 30852, 33856, 38088, 39422, 41136, 50784, 54848, 59133, 61704, 76176, 78844, 82272, 101568, 118266, 123408, 152352, 157688, 164544, 177399, 236532, 246816, 304704, 315376, 354798, 453353, 473064, 493632, 630752, 709596, 906706, 946128, 1261504, 1360059, 1419192, 1813412, 1892256, 2720118, 2838384, 3626824, 3784512, 4080177, 5440236, 5676768, 7253648, 8160354, 10880472, 11353536, 14507296, 16320708, 21760944, 29014592, 32641416, 43521888, 65282832, 87043776, 130565664, 261131328]

約数ペア:

[(1, 261131328), (2, 130565664), (3, 87043776), (4, 65282832), (6, 43521888), (8, 32641416), (9, 29014592), (12, 21760944), (16, 16320708), (18, 14507296), (23, 11353536), (24, 10880472), (32, 8160354), (36, 7253648), (46, 5676768), (48, 5440236), (64, 4080177), (69, 3784512), (72, 3626824), (92, 2838384), (96, 2720118), (138, 1892256), (144, 1813412), (184, 1419192), (192, 1360059), (207, 1261504), (276, 946128), (288, 906706), (368, 709596), (414, 630752), (529, 493632), (552, 473064), (576, 453353), (736, 354798), (828, 315376), (857, 304704), (1058, 246816), (1104, 236532), (1472, 177399), (1587, 164544), (1656, 157688), (1714, 152352), (2116, 123408), (2208, 118266), (2571, 101568), (3174, 82272), (3312, 78844), (3428, 76176), (4232, 61704), (4416, 59133), (4761, 54848), (5142, 50784), (6348, 41136), (6624, 39422), (6856, 38088), (7713, 33856), (8464, 30852), (9522, 27424), (10284, 25392), (12696, 20568), (13248, 19711), (13712, 19044), (15426, 16928)]