261636156

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 746869760

約数和(自身を除く): 485233604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 81, 93, 108, 114, 124, 162, 171, 186, 228, 243, 279, 324, 342, 372, 457, 486, 513, 558, 589, 684, 837, 914, 972, 1026, 1116, 1178, 1371, 1539, 1674, 1767, 1828, 2052, 2356, 2511, 2742, 3078, 3348, 3534, 4113, 4617, 5022, 5301, 5484, 6156, 7068, 7533, 8226, 8683, 9234, 10044, 10602, 12339, 14167, 15066, 15903, 16452, 17366, 18468, 21204, 24678, 26049, 28334, 30132, 31806, 34732, 37017, 42501, 47709, 49356, 52098, 56668, 63612, 74034, 78147, 85002, 95418, 104196, 111051, 127503, 143127, 148068, 156294, 170004, 190836, 222102, 234441, 255006, 269173, 286254, 312588, 382509, 444204, 468882, 510012, 538346, 572508, 703323, 765018, 807519, 937764, 1076692, 1147527, 1406646, 1530036, 1615038, 2109969, 2295054, 2422557, 2813292, 3230076, 3442581, 4219938, 4590108, 4845114, 6885162, 7267671, 8439876, 9690228, 13770324, 14535342, 21803013, 29070684, 43606026, 65409039, 87212052, 130818078, 261636156]

約数ペア:

[(1, 261636156), (2, 130818078), (3, 87212052), (4, 65409039), (6, 43606026), (9, 29070684), (12, 21803013), (18, 14535342), (19, 13770324), (27, 9690228), (31, 8439876), (36, 7267671), (38, 6885162), (54, 4845114), (57, 4590108), (62, 4219938), (76, 3442581), (81, 3230076), (93, 2813292), (108, 2422557), (114, 2295054), (124, 2109969), (162, 1615038), (171, 1530036), (186, 1406646), (228, 1147527), (243, 1076692), (279, 937764), (324, 807519), (342, 765018), (372, 703323), (457, 572508), (486, 538346), (513, 510012), (558, 468882), (589, 444204), (684, 382509), (837, 312588), (914, 286254), (972, 269173), (1026, 255006), (1116, 234441), (1178, 222102), (1371, 190836), (1539, 170004), (1674, 156294), (1767, 148068), (1828, 143127), (2052, 127503), (2356, 111051), (2511, 104196), (2742, 95418), (3078, 85002), (3348, 78147), (3534, 74034), (4113, 63612), (4617, 56668), (5022, 52098), (5301, 49356), (5484, 47709), (6156, 42501), (7068, 37017), (7533, 34732), (8226, 31806), (8683, 30132), (9234, 28334), (10044, 26049), (10602, 24678), (12339, 21204), (14167, 18468), (15066, 17366), (15903, 16452)]