121211280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2131}}^1$

素因数の和:2229

約数の個数: 120

約数和(自身を含む): 412414080

約数和(自身を除く): 291202800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2131, 2370, 2844, 3160, 3555, 3792, 4262, 4740, 5688, 6320, 6393, 7110, 8524, 9480, 10655, 11376, 12786, 14220, 17048, 18960, 19179, 21310, 25572, 28440, 31965, 34096, 38358, 42620, 51144, 56880, 63930, 76716, 85240, 95895, 102288, 127860, 153432, 168349, 170480, 191790, 255720, 306864, 336698, 383580, 505047, 511440, 673396, 767160, 841745, 1010094, 1346792, 1515141, 1534320, 1683490, 2020188, 2525235, 2693584, 3030282, 3366980, 4040376, 5050470, 6060564, 6733960, 7575705, 8080752, 10100940, 12121128, 13467920, 15151410, 20201880, 24242256, 30302820, 40403760, 60605640, 121211280]

約数ペア:

[(1, 121211280), (2, 60605640), (3, 40403760), (4, 30302820), (5, 24242256), (6, 20201880), (8, 15151410), (9, 13467920), (10, 12121128), (12, 10100940), (15, 8080752), (16, 7575705), (18, 6733960), (20, 6060564), (24, 5050470), (30, 4040376), (36, 3366980), (40, 3030282), (45, 2693584), (48, 2525235), (60, 2020188), (72, 1683490), (79, 1534320), (80, 1515141), (90, 1346792), (120, 1010094), (144, 841745), (158, 767160), (180, 673396), (237, 511440), (240, 505047), (316, 383580), (360, 336698), (395, 306864), (474, 255720), (632, 191790), (711, 170480), (720, 168349), (790, 153432), (948, 127860), (1185, 102288), (1264, 95895), (1422, 85240), (1580, 76716), (1896, 63930), (2131, 56880), (2370, 51144), (2844, 42620), (3160, 38358), (3555, 34096), (3792, 31965), (4262, 28440), (4740, 25572), (5688, 21310), (6320, 19179), (6393, 18960), (7110, 17048), (8524, 14220), (9480, 12786), (10655, 11376)]