278757612

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1493

約数の個数: 120

約数和(自身を含む): 842798880

約数和(自身を除く): 564041268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 89, 108, 126, 162, 178, 189, 252, 267, 324, 356, 378, 534, 567, 623, 756, 801, 1068, 1134, 1246, 1381, 1602, 1869, 2268, 2403, 2492, 2762, 3204, 3738, 4143, 4806, 5524, 5607, 7209, 7476, 8286, 9612, 9667, 11214, 12429, 14418, 16572, 16821, 19334, 22428, 24858, 28836, 29001, 33642, 37287, 38668, 49716, 50463, 58002, 67284, 74574, 87003, 100926, 111861, 116004, 122909, 149148, 174006, 201852, 223722, 245818, 261009, 348012, 368727, 447444, 491636, 522018, 737454, 783027, 860363, 1044036, 1106181, 1474908, 1566054, 1720726, 2212362, 2581089, 3132108, 3318543, 3441452, 4424724, 5162178, 6637086, 7743267, 9955629, 10324356, 13274172, 15486534, 19911258, 23229801, 30973068, 39822516, 46459602, 69689403, 92919204, 139378806, 278757612]

約数ペア:

[(1, 278757612), (2, 139378806), (3, 92919204), (4, 69689403), (6, 46459602), (7, 39822516), (9, 30973068), (12, 23229801), (14, 19911258), (18, 15486534), (21, 13274172), (27, 10324356), (28, 9955629), (36, 7743267), (42, 6637086), (54, 5162178), (63, 4424724), (81, 3441452), (84, 3318543), (89, 3132108), (108, 2581089), (126, 2212362), (162, 1720726), (178, 1566054), (189, 1474908), (252, 1106181), (267, 1044036), (324, 860363), (356, 783027), (378, 737454), (534, 522018), (567, 491636), (623, 447444), (756, 368727), (801, 348012), (1068, 261009), (1134, 245818), (1246, 223722), (1381, 201852), (1602, 174006), (1869, 149148), (2268, 122909), (2403, 116004), (2492, 111861), (2762, 100926), (3204, 87003), (3738, 74574), (4143, 67284), (4806, 58002), (5524, 50463), (5607, 49716), (7209, 38668), (7476, 37287), (8286, 33642), (9612, 29001), (9667, 28836), (11214, 24858), (12429, 22428), (14418, 19334), (16572, 16821)]