2642907280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:705

約数の個数: 160

約数和(自身を含む): 6844311936

約数和(自身を除く): 4201404656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 113, 130, 172, 208, 215, 226, 260, 344, 430, 452, 520, 523, 559, 565, 688, 860, 904, 1040, 1046, 1118, 1130, 1469, 1720, 1808, 2092, 2236, 2260, 2615, 2795, 2938, 3440, 4184, 4472, 4520, 4859, 5230, 5590, 5876, 6799, 7345, 8368, 8944, 9040, 9718, 10460, 11180, 11752, 13598, 14690, 19436, 20920, 22360, 22489, 23504, 24295, 27196, 29380, 33995, 38872, 41840, 44720, 44978, 48590, 54392, 58760, 59099, 63167, 67990, 77744, 89956, 97180, 108784, 112445, 117520, 118198, 126334, 135980, 179912, 194360, 224890, 236396, 252668, 271960, 292357, 295495, 315835, 359824, 388720, 449780, 472792, 505336, 543920, 584714, 590990, 631670, 768287, 899560, 945584, 1010672, 1169428, 1181980, 1263340, 1461785, 1536574, 1799120, 2338856, 2363960, 2526680, 2541257, 2923570, 3073148, 3841435, 4677712, 4727920, 5053360, 5082514, 5847140, 6146296, 7682870, 10165028, 11694280, 12292592, 12706285, 15365740, 20330056, 23388560, 25412570, 30731480, 33036341, 40660112, 50825140, 61462960, 66072682, 101650280, 132145364, 165181705, 203300560, 264290728, 330363410, 528581456, 660726820, 1321453640, 2642907280]

約数ペア:

[(1, 2642907280), (2, 1321453640), (4, 660726820), (5, 528581456), (8, 330363410), (10, 264290728), (13, 203300560), (16, 165181705), (20, 132145364), (26, 101650280), (40, 66072682), (43, 61462960), (52, 50825140), (65, 40660112), (80, 33036341), (86, 30731480), (104, 25412570), (113, 23388560), (130, 20330056), (172, 15365740), (208, 12706285), (215, 12292592), (226, 11694280), (260, 10165028), (344, 7682870), (430, 6146296), (452, 5847140), (520, 5082514), (523, 5053360), (559, 4727920), (565, 4677712), (688, 3841435), (860, 3073148), (904, 2923570), (1040, 2541257), (1046, 2526680), (1118, 2363960), (1130, 2338856), (1469, 1799120), (1720, 1536574), (1808, 1461785), (2092, 1263340), (2236, 1181980), (2260, 1169428), (2615, 1010672), (2795, 945584), (2938, 899560), (3440, 768287), (4184, 631670), (4472, 590990), (4520, 584714), (4859, 543920), (5230, 505336), (5590, 472792), (5876, 449780), (6799, 388720), (7345, 359824), (8368, 315835), (8944, 295495), (9040, 292357), (9718, 271960), (10460, 252668), (11180, 236396), (11752, 224890), (13598, 194360), (14690, 179912), (19436, 135980), (20920, 126334), (22360, 118198), (22489, 117520), (23504, 112445), (24295, 108784), (27196, 97180), (29380, 89956), (33995, 77744), (38872, 67990), (41840, 63167), (44720, 59099), (44978, 58760), (48590, 54392)]