1640802944

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 128

約数和(自身を含む): 3743530560

約数和(自身を除く): 2102727616

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 43, 44, 64, 82, 86, 88, 128, 164, 172, 176, 328, 344, 352, 451, 473, 656, 661, 688, 704, 902, 946, 1312, 1322, 1376, 1408, 1763, 1804, 1892, 2624, 2644, 2752, 3526, 3608, 3784, 5248, 5288, 5504, 7052, 7216, 7271, 7568, 10576, 14104, 14432, 14542, 15136, 19393, 21152, 27101, 28208, 28423, 28864, 29084, 30272, 38786, 42304, 54202, 56416, 56846, 57728, 58168, 60544, 77572, 84608, 108404, 112832, 113692, 116336, 155144, 216808, 225664, 227384, 232672, 298111, 310288, 312653, 433616, 454768, 465344, 596222, 620576, 625306, 867232, 909536, 930688, 1165343, 1192444, 1241152, 1250612, 1734464, 1819072, 2330686, 2384888, 2482304, 2501224, 3468928, 3638144, 4661372, 4769776, 5002448, 9322744, 9539552, 10004896, 12818773, 18645488, 19079104, 20009792, 25637546, 37290976, 38158208, 40019584, 51275092, 74581952, 102550184, 149163904, 205100368, 410200736, 820401472, 1640802944]

約数ペア:

[(1, 1640802944), (2, 820401472), (4, 410200736), (8, 205100368), (11, 149163904), (16, 102550184), (22, 74581952), (32, 51275092), (41, 40019584), (43, 38158208), (44, 37290976), (64, 25637546), (82, 20009792), (86, 19079104), (88, 18645488), (128, 12818773), (164, 10004896), (172, 9539552), (176, 9322744), (328, 5002448), (344, 4769776), (352, 4661372), (451, 3638144), (473, 3468928), (656, 2501224), (661, 2482304), (688, 2384888), (704, 2330686), (902, 1819072), (946, 1734464), (1312, 1250612), (1322, 1241152), (1376, 1192444), (1408, 1165343), (1763, 930688), (1804, 909536), (1892, 867232), (2624, 625306), (2644, 620576), (2752, 596222), (3526, 465344), (3608, 454768), (3784, 433616), (5248, 312653), (5288, 310288), (5504, 298111), (7052, 232672), (7216, 227384), (7271, 225664), (7568, 216808), (10576, 155144), (14104, 116336), (14432, 113692), (14542, 112832), (15136, 108404), (19393, 84608), (21152, 77572), (27101, 60544), (28208, 58168), (28423, 57728), (28864, 56846), (29084, 56416), (30272, 54202), (38786, 42304)]