987003680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 192

約数和(自身を含む): 2694601728

約数和(自身を除く): 1707598048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 103, 104, 130, 136, 160, 170, 206, 208, 221, 260, 271, 272, 340, 412, 416, 442, 515, 520, 542, 544, 680, 824, 884, 1030, 1040, 1084, 1105, 1339, 1355, 1360, 1648, 1751, 1768, 2060, 2080, 2168, 2210, 2678, 2710, 2720, 3296, 3502, 3523, 3536, 4120, 4336, 4420, 4607, 5356, 5420, 6695, 7004, 7046, 7072, 8240, 8672, 8755, 8840, 9214, 10712, 10840, 13390, 14008, 14092, 16480, 17510, 17615, 17680, 18428, 21424, 21680, 22763, 23035, 26780, 27913, 28016, 28184, 35020, 35230, 35360, 36856, 42848, 43360, 45526, 46070, 53560, 55826, 56032, 56368, 59891, 70040, 70460, 73712, 91052, 92140, 107120, 111652, 112736, 113815, 119782, 139565, 140080, 140920, 147424, 182104, 184280, 214240, 223304, 227630, 239564, 279130, 280160, 281840, 299455, 362869, 364208, 368560, 446608, 455260, 474521, 479128, 558260, 563680, 598910, 725738, 728416, 737120, 893216, 910520, 949042, 958256, 1116520, 1197820, 1451476, 1814345, 1821040, 1898084, 1916512, 2233040, 2372605, 2395640, 2902952, 3628690, 3642080, 3796168, 4466080, 4745210, 4791280, 5805904, 6168773, 7257380, 7592336, 9490420, 9582560, 11611808, 12337546, 14514760, 15184672, 18980840, 24675092, 29029520, 30843865, 37961680, 49350184, 58059040, 61687730, 75923360, 98700368, 123375460, 197400736, 246750920, 493501840, 987003680]

約数ペア:

[(1, 987003680), (2, 493501840), (4, 246750920), (5, 197400736), (8, 123375460), (10, 98700368), (13, 75923360), (16, 61687730), (17, 58059040), (20, 49350184), (26, 37961680), (32, 30843865), (34, 29029520), (40, 24675092), (52, 18980840), (65, 15184672), (68, 14514760), (80, 12337546), (85, 11611808), (103, 9582560), (104, 9490420), (130, 7592336), (136, 7257380), (160, 6168773), (170, 5805904), (206, 4791280), (208, 4745210), (221, 4466080), (260, 3796168), (271, 3642080), (272, 3628690), (340, 2902952), (412, 2395640), (416, 2372605), (442, 2233040), (515, 1916512), (520, 1898084), (542, 1821040), (544, 1814345), (680, 1451476), (824, 1197820), (884, 1116520), (1030, 958256), (1040, 949042), (1084, 910520), (1105, 893216), (1339, 737120), (1355, 728416), (1360, 725738), (1648, 598910), (1751, 563680), (1768, 558260), (2060, 479128), (2080, 474521), (2168, 455260), (2210, 446608), (2678, 368560), (2710, 364208), (2720, 362869), (3296, 299455), (3502, 281840), (3523, 280160), (3536, 279130), (4120, 239564), (4336, 227630), (4420, 223304), (4607, 214240), (5356, 184280), (5420, 182104), (6695, 147424), (7004, 140920), (7046, 140080), (7072, 139565), (8240, 119782), (8672, 113815), (8755, 112736), (8840, 111652), (9214, 107120), (10712, 92140), (10840, 91052), (13390, 73712), (14008, 70460), (14092, 70040), (16480, 59891), (17510, 56368), (17615, 56032), (17680, 55826), (18428, 53560), (21424, 46070), (21680, 45526), (22763, 43360), (23035, 42848), (26780, 36856), (27913, 35360), (28016, 35230), (28184, 35020)]