661686816

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1455

約数の個数: 192

約数和(自身を含む): 2139734016

約数和(自身を除く): 1478047200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 31, 32, 42, 46, 48, 56, 62, 69, 84, 92, 93, 96, 112, 124, 138, 161, 168, 184, 186, 217, 224, 248, 276, 322, 336, 368, 372, 434, 483, 496, 552, 644, 651, 672, 713, 736, 744, 868, 966, 992, 1104, 1288, 1302, 1381, 1426, 1488, 1736, 1932, 2139, 2208, 2576, 2604, 2762, 2852, 2976, 3472, 3864, 4143, 4278, 4991, 5152, 5208, 5524, 5704, 6944, 7728, 8286, 8556, 9667, 9982, 10416, 11048, 11408, 14973, 15456, 16572, 17112, 19334, 19964, 20832, 22096, 22816, 29001, 29946, 31763, 33144, 34224, 38668, 39928, 42811, 44192, 58002, 59892, 63526, 66288, 68448, 77336, 79856, 85622, 95289, 116004, 119784, 127052, 128433, 132576, 154672, 159712, 171244, 190578, 222341, 232008, 239568, 254104, 256866, 299677, 309344, 342488, 381156, 444682, 464016, 479136, 508208, 513732, 599354, 667023, 684976, 762312, 889364, 899031, 928032, 984653, 1016416, 1027464, 1198708, 1334046, 1369952, 1524624, 1778728, 1798062, 1969306, 2054928, 2397416, 2668092, 2953959, 3049248, 3557456, 3596124, 3938612, 4109856, 4794832, 5336184, 5907918, 6892571, 7114912, 7192248, 7877224, 9589664, 10672368, 11815836, 13785142, 14384496, 15754448, 20677713, 21344736, 23631672, 27570284, 28768992, 31508896, 41355426, 47263344, 55140568, 82710852, 94526688, 110281136, 165421704, 220562272, 330843408, 661686816]

約数ペア:

[(1, 661686816), (2, 330843408), (3, 220562272), (4, 165421704), (6, 110281136), (7, 94526688), (8, 82710852), (12, 55140568), (14, 47263344), (16, 41355426), (21, 31508896), (23, 28768992), (24, 27570284), (28, 23631672), (31, 21344736), (32, 20677713), (42, 15754448), (46, 14384496), (48, 13785142), (56, 11815836), (62, 10672368), (69, 9589664), (84, 7877224), (92, 7192248), (93, 7114912), (96, 6892571), (112, 5907918), (124, 5336184), (138, 4794832), (161, 4109856), (168, 3938612), (184, 3596124), (186, 3557456), (217, 3049248), (224, 2953959), (248, 2668092), (276, 2397416), (322, 2054928), (336, 1969306), (368, 1798062), (372, 1778728), (434, 1524624), (483, 1369952), (496, 1334046), (552, 1198708), (644, 1027464), (651, 1016416), (672, 984653), (713, 928032), (736, 899031), (744, 889364), (868, 762312), (966, 684976), (992, 667023), (1104, 599354), (1288, 513732), (1302, 508208), (1381, 479136), (1426, 464016), (1488, 444682), (1736, 381156), (1932, 342488), (2139, 309344), (2208, 299677), (2576, 256866), (2604, 254104), (2762, 239568), (2852, 232008), (2976, 222341), (3472, 190578), (3864, 171244), (4143, 159712), (4278, 154672), (4991, 132576), (5152, 128433), (5208, 127052), (5524, 119784), (5704, 116004), (6944, 95289), (7728, 85622), (8286, 79856), (8556, 77336), (9667, 68448), (9982, 66288), (10416, 63526), (11048, 59892), (11408, 58002), (14973, 44192), (15456, 42811), (16572, 39928), (17112, 38668), (19334, 34224), (19964, 33144), (20832, 31763), (22096, 29946), (22816, 29001)]