261431184

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 160

約数和(自身を含む): 839311360

約数和(自身を除く): 577880176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 38, 42, 48, 56, 57, 62, 76, 84, 93, 112, 114, 124, 133, 152, 168, 186, 217, 228, 248, 266, 304, 336, 372, 399, 434, 456, 496, 532, 589, 651, 744, 798, 868, 912, 1064, 1178, 1302, 1321, 1488, 1596, 1736, 1767, 2128, 2356, 2604, 2642, 3192, 3472, 3534, 3963, 4123, 4712, 5208, 5284, 6384, 7068, 7926, 8246, 9247, 9424, 10416, 10568, 12369, 14136, 15852, 16492, 18494, 21136, 24738, 25099, 27741, 28272, 31704, 32984, 36988, 40951, 49476, 50198, 55482, 63408, 65968, 73976, 75297, 81902, 98952, 100396, 110964, 122853, 147952, 150594, 163804, 175693, 197904, 200792, 221928, 245706, 286657, 301188, 327608, 351386, 401584, 443856, 491412, 527079, 573314, 602376, 655216, 702772, 778069, 859971, 982824, 1054158, 1146628, 1204752, 1405544, 1556138, 1719942, 1965648, 2108316, 2293256, 2334207, 2811088, 3112276, 3439884, 4216632, 4586512, 4668414, 5446483, 6224552, 6879768, 8433264, 9336828, 10892966, 12449104, 13759536, 16339449, 18673656, 21785932, 32678898, 37347312, 43571864, 65357796, 87143728, 130715592, 261431184]

約数ペア:

[(1, 261431184), (2, 130715592), (3, 87143728), (4, 65357796), (6, 43571864), (7, 37347312), (8, 32678898), (12, 21785932), (14, 18673656), (16, 16339449), (19, 13759536), (21, 12449104), (24, 10892966), (28, 9336828), (31, 8433264), (38, 6879768), (42, 6224552), (48, 5446483), (56, 4668414), (57, 4586512), (62, 4216632), (76, 3439884), (84, 3112276), (93, 2811088), (112, 2334207), (114, 2293256), (124, 2108316), (133, 1965648), (152, 1719942), (168, 1556138), (186, 1405544), (217, 1204752), (228, 1146628), (248, 1054158), (266, 982824), (304, 859971), (336, 778069), (372, 702772), (399, 655216), (434, 602376), (456, 573314), (496, 527079), (532, 491412), (589, 443856), (651, 401584), (744, 351386), (798, 327608), (868, 301188), (912, 286657), (1064, 245706), (1178, 221928), (1302, 200792), (1321, 197904), (1488, 175693), (1596, 163804), (1736, 150594), (1767, 147952), (2128, 122853), (2356, 110964), (2604, 100396), (2642, 98952), (3192, 81902), (3472, 75297), (3534, 73976), (3963, 65968), (4123, 63408), (4712, 55482), (5208, 50198), (5284, 49476), (6384, 40951), (7068, 36988), (7926, 32984), (8246, 31704), (9247, 28272), (9424, 27741), (10416, 25099), (10568, 24738), (12369, 21136), (14136, 18494), (15852, 16492)]