2040321696210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1980

約数の個数: 768

約数和(自身を含む): 6796318556160

約数和(自身を除く): 4755996859950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 41, 42, 45, 49, 54, 62, 63, 67, 70, 82, 90, 93, 98, 105, 123, 126, 134, 135, 147, 155, 186, 189, 201, 205, 210, 217, 245, 246, 270, 279, 287, 294, 310, 315, 335, 369, 378, 402, 410, 434, 441, 465, 469, 490, 558, 574, 603, 615, 630, 651, 670, 735, 738, 837, 861, 882, 930, 938, 945, 1005, 1085, 1107, 1206, 1230, 1271, 1302, 1323, 1395, 1407, 1435, 1470, 1519, 1674, 1722, 1809, 1811, 1845, 1890, 1953, 2009, 2010, 2077, 2170, 2205, 2214, 2345, 2542, 2583, 2646, 2747, 2790, 2814, 2870, 3015, 3038, 3255, 3283, 3618, 3622, 3690, 3813, 3906, 4018, 4154, 4185, 4221, 4305, 4410, 4557, 4690, 5166, 5433, 5494, 5535, 5859, 6027, 6030, 6231, 6355, 6510, 6566, 6615, 7035, 7595, 7626, 7749, 8241, 8370, 8442, 8610, 8897, 9045, 9055, 9114, 9765, 9849, 10045, 10385, 10866, 11070, 11439, 11718, 12054, 12462, 12663, 12677, 12710, 12915, 13230, 13671, 13735, 14070, 14539, 15190, 15498, 16299, 16415, 16482, 17794, 18081, 18090, 18110, 18693, 19065, 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約数ペア:

[(1, 2040321696210), (2, 1020160848105), (3, 680107232070), (5, 408064339242), (6, 340053616035), (7, 291474528030), (9, 226702410690), (10, 204032169621), (14, 145737264015), (15, 136021446414), (18, 113351205345), (21, 97158176010), (27, 75567470230), (30, 68010723207), (31, 65816828910), (35, 58294905606), (41, 49763943810), (42, 48579088005), (45, 45340482138), (49, 41639218290), (54, 37783735115), (62, 32908414455), (63, 32386058670), (67, 30452562630), (70, 29147452803), (82, 24881971905), (90, 22670241069), (93, 21938942970), (98, 20819609145), (105, 19431635202), (123, 16587981270), (126, 16193029335), (134, 15226281315), (135, 15113494046), (147, 13879739430), (155, 13163365782), (186, 10969471485), (189, 10795352890), (201, 10150854210), (205, 9952788762), (210, 9715817601), (217, 9402404130), (245, 8327843658), (246, 8293990635), (270, 7556747023), (279, 7312980990), (287, 7109134830), (294, 6939869715), (310, 6581682891), (315, 6477211734), (335, 6090512526), (369, 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