2021008640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1069}}^1$

素因数の和:1308

約数の個数: 144

約数和(自身を含む): 5563931520

約数和(自身を除く): 3542922880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 211, 224, 256, 280, 320, 422, 448, 560, 640, 844, 896, 1055, 1069, 1120, 1280, 1477, 1688, 1792, 2110, 2138, 2240, 2954, 3376, 4220, 4276, 4480, 5345, 5908, 6752, 7385, 7483, 8440, 8552, 8960, 10690, 11816, 13504, 14770, 14966, 16880, 17104, 21380, 23632, 27008, 29540, 29932, 33760, 34208, 37415, 42760, 47264, 54016, 59080, 59864, 67520, 68416, 74830, 85520, 94528, 118160, 119728, 135040, 136832, 149660, 171040, 189056, 225559, 236320, 239456, 270080, 273664, 299320, 342080, 378112, 451118, 472640, 478912, 598640, 684160, 902236, 945280, 957824, 1127795, 1197280, 1368320, 1578913, 1804472, 1890560, 1915648, 2255590, 2394560, 3157826, 3608944, 4511180, 4789120, 6315652, 7217888, 7894565, 9022360, 9578240, 12631304, 14435776, 15789130, 18044720, 25262608, 28871552, 31578260, 36089440, 50525216, 57743104, 63156520, 72178880, 101050432, 126313040, 144357760, 202100864, 252626080, 288715520, 404201728, 505252160, 1010504320, 2021008640]

約数ペア:

[(1, 2021008640), (2, 1010504320), (4, 505252160), (5, 404201728), (7, 288715520), (8, 252626080), (10, 202100864), (14, 144357760), (16, 126313040), (20, 101050432), (28, 72178880), (32, 63156520), (35, 57743104), (40, 50525216), (56, 36089440), (64, 31578260), (70, 28871552), (80, 25262608), (112, 18044720), (128, 15789130), (140, 14435776), (160, 12631304), (211, 9578240), (224, 9022360), (256, 7894565), (280, 7217888), (320, 6315652), (422, 4789120), (448, 4511180), (560, 3608944), (640, 3157826), (844, 2394560), (896, 2255590), (1055, 1915648), (1069, 1890560), (1120, 1804472), (1280, 1578913), (1477, 1368320), (1688, 1197280), (1792, 1127795), (2110, 957824), (2138, 945280), (2240, 902236), (2954, 684160), (3376, 598640), (4220, 478912), (4276, 472640), (4480, 451118), (5345, 378112), (5908, 342080), (6752, 299320), (7385, 273664), (7483, 270080), (8440, 239456), (8552, 236320), (8960, 225559), (10690, 189056), (11816, 171040), (13504, 149660), (14770, 136832), (14966, 135040), (16880, 119728), (17104, 118160), (21380, 94528), (23632, 85520), (27008, 74830), (29540, 68416), (29932, 67520), (33760, 59864), (34208, 59080), (37415, 54016), (42760, 47264)]