20673206640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{121151}}^1$

素因数の和:121252

約数の個数: 160

約数和(自身を含む): 72109670400

約数和(自身を除く): 51436463760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 108, 120, 135, 144, 158, 180, 216, 237, 240, 270, 316, 360, 395, 432, 474, 540, 632, 711, 720, 790, 948, 1080, 1185, 1264, 1422, 1580, 1896, 2133, 2160, 2370, 2844, 3160, 3555, 3792, 4266, 4740, 5688, 6320, 7110, 8532, 9480, 10665, 11376, 14220, 17064, 18960, 21330, 28440, 34128, 42660, 56880, 85320, 121151, 170640, 242302, 363453, 484604, 605755, 726906, 969208, 1090359, 1211510, 1453812, 1817265, 1938416, 2180718, 2423020, 2907624, 3271077, 3634530, 4361436, 4846040, 5451795, 5815248, 6542154, 7269060, 8722872, 9570929, 9692080, 10903590, 13084308, 14538120, 16355385, 17445744, 19141858, 21807180, 26168616, 28712787, 29076240, 32710770, 38283716, 43614360, 47854645, 52337232, 57425574, 65421540, 76567432, 86138361, 87228720, 95709290, 114851148, 130843080, 143563935, 153134864, 172276722, 191418580, 229702296, 258415083, 261686160, 287127870, 344553444, 382837160, 430691805, 459404592, 516830166, 574255740, 689106888, 765674320, 861383610, 1033660332, 1148511480, 1292075415, 1378213776, 1722767220, 2067320664, 2297022960, 2584150830, 3445534440, 4134641328, 5168301660, 6891068880, 10336603320, 20673206640]

約数ペア:

[(1, 20673206640), (2, 10336603320), (3, 6891068880), (4, 5168301660), (5, 4134641328), (6, 3445534440), (8, 2584150830), (9, 2297022960), (10, 2067320664), (12, 1722767220), (15, 1378213776), (16, 1292075415), (18, 1148511480), (20, 1033660332), (24, 861383610), (27, 765674320), (30, 689106888), (36, 574255740), (40, 516830166), (45, 459404592), (48, 430691805), (54, 382837160), (60, 344553444), (72, 287127870), (79, 261686160), (80, 258415083), (90, 229702296), (108, 191418580), (120, 172276722), (135, 153134864), (144, 143563935), (158, 130843080), (180, 114851148), (216, 95709290), (237, 87228720), (240, 86138361), (270, 76567432), (316, 65421540), (360, 57425574), (395, 52337232), (432, 47854645), (474, 43614360), (540, 38283716), (632, 32710770), (711, 29076240), (720, 28712787), (790, 26168616), (948, 21807180), (1080, 19141858), (1185, 17445744), (1264, 16355385), (1422, 14538120), (1580, 13084308), (1896, 10903590), (2133, 9692080), (2160, 9570929), (2370, 8722872), (2844, 7269060), (3160, 6542154), (3555, 5815248), (3792, 5451795), (4266, 4846040), (4740, 4361436), (5688, 3634530), (6320, 3271077), (7110, 2907624), (8532, 2423020), (9480, 2180718), (10665, 1938416), (11376, 1817265), (14220, 1453812), (17064, 1211510), (18960, 1090359), (21330, 969208), (28440, 726906), (34128, 605755), (42660, 484604), (56880, 363453), (85320, 242302), (121151, 170640)]