21810806640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{54779}}^1$

素因数の和:54884

約数の個数: 240

約数和(自身を含む): 84773145600

約数和(自身を除く): 62962338960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1422, 1580, 1659, 1680, 1896, 2212, 2370, 2520, 2765, 2844, 3160, 3318, 3555, 3792, 4424, 4740, 4977, 5040, 5530, 5688, 6320, 6636, 7110, 8295, 8848, 9480, 9954, 11060, 11376, 13272, 14220, 16590, 18960, 19908, 22120, 24885, 26544, 28440, 33180, 39816, 44240, 49770, 54779, 56880, 66360, 79632, 99540, 109558, 132720, 164337, 199080, 219116, 273895, 328674, 383453, 398160, 438232, 493011, 547790, 657348, 766906, 821685, 876464, 986022, 1095580, 1150359, 1314696, 1533812, 1643370, 1917265, 1972044, 2191160, 2300718, 2465055, 2629392, 3067624, 3286740, 3451077, 3834530, 3944088, 4327541, 4382320, 4601436, 4930110, 5751795, 6135248, 6573480, 6902154, 7669060, 7888176, 8655082, 9202872, 9860220, 11503590, 12982623, 13146960, 13804308, 15338120, 17255385, 17310164, 18405744, 19720440, 21637705, 23007180, 25965246, 27608616, 30292787, 30676240, 34510770, 34620328, 38947869, 39440880, 43275410, 46014360, 51930492, 55217232, 60585574, 64913115, 69021540, 69240656, 77895738, 86550820, 90878361, 92028720, 103860984, 121171148, 129826230, 138043080, 151463935, 155791476, 173101640, 181756722, 194739345, 207721968, 242342296, 259652460, 272635083, 276086160, 302927870, 311582952, 346203280, 363513444, 389478690, 454391805, 484684592, 519304920, 545270166, 605855740, 623165904, 727026888, 778957380, 908783610, 1038609840, 1090540332, 1211711480, 1363175415, 1454053776, 1557914760, 1817567220, 2181080664, 2423422960, 2726350830, 3115829520, 3635134440, 4362161328, 5452701660, 7270268880, 10905403320, 21810806640]

約数ペア:

[(1, 21810806640), (2, 10905403320), (3, 7270268880), (4, 5452701660), (5, 4362161328), (6, 3635134440), (7, 3115829520), (8, 2726350830), (9, 2423422960), (10, 2181080664), (12, 1817567220), (14, 1557914760), (15, 1454053776), (16, 1363175415), (18, 1211711480), (20, 1090540332), (21, 1038609840), (24, 908783610), (28, 778957380), (30, 727026888), (35, 623165904), (36, 605855740), (40, 545270166), (42, 519304920), (45, 484684592), (48, 454391805), (56, 389478690), (60, 363513444), (63, 346203280), (70, 311582952), (72, 302927870), (79, 276086160), (80, 272635083), (84, 259652460), (90, 242342296), (105, 207721968), (112, 194739345), (120, 181756722), (126, 173101640), (140, 155791476), (144, 151463935), (158, 138043080), (168, 129826230), (180, 121171148), (210, 103860984), (237, 92028720), (240, 90878361), (252, 86550820), (280, 77895738), (315, 69240656), (316, 69021540), (336, 64913115), (360, 60585574), (395, 55217232), (420, 51930492), (474, 46014360), (504, 43275410), (553, 39440880), (560, 38947869), (630, 34620328), (632, 34510770), (711, 30676240), (720, 30292787), (790, 27608616), (840, 25965246), (948, 23007180), (1008, 21637705), (1106, 19720440), (1185, 18405744), (1260, 17310164), (1264, 17255385), (1422, 15338120), (1580, 13804308), (1659, 13146960), (1680, 12982623), (1896, 11503590), (2212, 9860220), (2370, 9202872), (2520, 8655082), (2765, 7888176), (2844, 7669060), (3160, 6902154), (3318, 6573480), (3555, 6135248), (3792, 5751795), (4424, 4930110), (4740, 4601436), (4977, 4382320), (5040, 4327541), (5530, 3944088), (5688, 3834530), (6320, 3451077), (6636, 3286740), (7110, 3067624), (8295, 2629392), (8848, 2465055), (9480, 2300718), (9954, 2191160), (11060, 1972044), (11376, 1917265), (13272, 1643370), (14220, 1533812), (16590, 1314696), (18960, 1150359), (19908, 1095580), (22120, 986022), (24885, 876464), (26544, 821685), (28440, 766906), (33180, 657348), (39816, 547790), (44240, 493011), (49770, 438232), (54779, 398160), (56880, 383453), (66360, 328674), (79632, 273895), (99540, 219116), (109558, 199080), (132720, 164337)]