261619956

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:555

約数の個数: 120

約数和(自身を含む): 742785120

約数和(自身を除く): 481165164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 179, 234, 324, 347, 351, 358, 468, 537, 694, 702, 716, 1041, 1053, 1074, 1388, 1404, 1611, 2082, 2106, 2148, 2327, 3123, 3222, 4164, 4212, 4511, 4654, 4833, 6246, 6444, 6981, 9022, 9308, 9369, 9666, 12492, 13533, 13962, 14499, 18044, 18738, 19332, 20943, 27066, 27924, 28107, 28998, 37476, 40599, 41886, 54132, 56214, 57996, 62113, 62829, 81198, 83772, 112428, 121797, 124226, 125658, 162396, 186339, 188487, 243594, 248452, 251316, 365391, 372678, 376974, 487188, 559017, 730782, 745356, 753948, 807469, 1118034, 1461564, 1614938, 1677051, 2236068, 2422407, 3229876, 3354102, 4844814, 5031153, 6708204, 7267221, 9689628, 10062306, 14534442, 20124612, 21801663, 29068884, 43603326, 65404989, 87206652, 130809978, 261619956]

約数ペア:

[(1, 261619956), (2, 130809978), (3, 87206652), (4, 65404989), (6, 43603326), (9, 29068884), (12, 21801663), (13, 20124612), (18, 14534442), (26, 10062306), (27, 9689628), (36, 7267221), (39, 6708204), (52, 5031153), (54, 4844814), (78, 3354102), (81, 3229876), (108, 2422407), (117, 2236068), (156, 1677051), (162, 1614938), (179, 1461564), (234, 1118034), (324, 807469), (347, 753948), (351, 745356), (358, 730782), (468, 559017), (537, 487188), (694, 376974), (702, 372678), (716, 365391), (1041, 251316), (1053, 248452), (1074, 243594), (1388, 188487), (1404, 186339), (1611, 162396), (2082, 125658), (2106, 124226), (2148, 121797), (2327, 112428), (3123, 83772), (3222, 81198), (4164, 62829), (4212, 62113), (4511, 57996), (4654, 56214), (4833, 54132), (6246, 41886), (6444, 40599), (6981, 37476), (9022, 28998), (9308, 28107), (9369, 27924), (9666, 27066), (12492, 20943), (13533, 19332), (13962, 18738), (14499, 18044)]