2018789120

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 5156766720

約数和(自身を除く): 3137977600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 128, 160, 184, 188, 230, 235, 256, 320, 368, 376, 460, 470, 640, 736, 752, 920, 940, 1081, 1280, 1459, 1472, 1504, 1840, 1880, 2162, 2918, 2944, 3008, 3680, 3760, 4324, 5405, 5836, 5888, 6016, 7295, 7360, 7520, 8648, 10810, 11672, 12032, 14590, 14720, 15040, 17296, 21620, 23344, 29180, 29440, 30080, 33557, 34592, 43240, 46688, 58360, 60160, 67114, 68573, 69184, 86480, 93376, 116720, 134228, 137146, 138368, 167785, 172960, 186752, 233440, 268456, 274292, 276736, 335570, 342865, 345920, 373504, 466880, 536912, 548584, 671140, 685730, 691840, 933760, 1073824, 1097168, 1342280, 1371460, 1383680, 1577179, 1867520, 2147648, 2194336, 2684560, 2742920, 3154358, 4295296, 4388672, 5369120, 5485840, 6308716, 7885895, 8590592, 8777344, 10738240, 10971680, 12617432, 15771790, 17554688, 21476480, 21943360, 25234864, 31543580, 42952960, 43886720, 50469728, 63087160, 87773440, 100939456, 126174320, 201878912, 252348640, 403757824, 504697280, 1009394560, 2018789120]

約数ペア:

[(1, 2018789120), (2, 1009394560), (4, 504697280), (5, 403757824), (8, 252348640), (10, 201878912), (16, 126174320), (20, 100939456), (23, 87773440), (32, 63087160), (40, 50469728), (46, 43886720), (47, 42952960), (64, 31543580), (80, 25234864), (92, 21943360), (94, 21476480), (115, 17554688), (128, 15771790), (160, 12617432), (184, 10971680), (188, 10738240), (230, 8777344), (235, 8590592), (256, 7885895), (320, 6308716), (368, 5485840), (376, 5369120), (460, 4388672), (470, 4295296), (640, 3154358), (736, 2742920), (752, 2684560), (920, 2194336), (940, 2147648), (1081, 1867520), (1280, 1577179), (1459, 1383680), (1472, 1371460), (1504, 1342280), (1840, 1097168), (1880, 1073824), (2162, 933760), (2918, 691840), (2944, 685730), (3008, 671140), (3680, 548584), (3760, 536912), (4324, 466880), (5405, 373504), (5836, 345920), (5888, 342865), (6016, 335570), (7295, 276736), (7360, 274292), (7520, 268456), (8648, 233440), (10810, 186752), (11672, 172960), (12032, 167785), (14590, 138368), (14720, 137146), (15040, 134228), (17296, 116720), (21620, 93376), (23344, 86480), (29180, 69184), (29440, 68573), (30080, 67114), (33557, 60160), (34592, 58360), (43240, 46688)]