320924912

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 180

約数和(自身を含む): 846039600

約数和(自身を除く): 525114688

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 121, 136, 154, 176, 187, 196, 199, 238, 242, 272, 308, 374, 392, 398, 476, 484, 539, 616, 748, 784, 796, 833, 847, 952, 968, 1078, 1232, 1309, 1393, 1496, 1592, 1666, 1694, 1904, 1936, 2057, 2156, 2189, 2618, 2786, 2992, 3184, 3332, 3383, 3388, 4114, 4312, 4378, 5236, 5572, 5929, 6664, 6766, 6776, 8228, 8624, 8756, 9163, 9751, 10472, 11144, 11858, 13328, 13532, 13552, 14399, 15323, 16456, 17512, 18326, 19502, 20944, 22288, 23681, 23716, 24079, 27064, 28798, 30646, 32912, 35024, 36652, 37213, 39004, 47362, 47432, 48158, 54128, 57596, 61292, 73304, 74426, 78008, 94724, 94864, 96316, 100793, 107261, 115192, 122584, 146608, 148852, 156016, 165767, 168553, 189448, 192632, 201586, 214522, 230384, 245168, 260491, 297704, 331534, 337106, 378896, 385264, 403172, 409343, 429044, 520982, 595408, 663068, 674212, 806344, 818686, 858088, 1041964, 1179871, 1326136, 1348424, 1612688, 1637372, 1716176, 1823437, 2083928, 2359742, 2652272, 2696848, 2865401, 3274744, 3646874, 4167856, 4719484, 5730802, 6549488, 7293748, 9438968, 11461604, 14587496, 18877936, 20057807, 22923208, 29174992, 40115614, 45846416, 80231228, 160462456, 320924912]

約数ペア:

[(1, 320924912), (2, 160462456), (4, 80231228), (7, 45846416), (8, 40115614), (11, 29174992), (14, 22923208), (16, 20057807), (17, 18877936), (22, 14587496), (28, 11461604), (34, 9438968), (44, 7293748), (49, 6549488), (56, 5730802), (68, 4719484), (77, 4167856), (88, 3646874), (98, 3274744), (112, 2865401), (119, 2696848), (121, 2652272), (136, 2359742), (154, 2083928), (176, 1823437), (187, 1716176), (196, 1637372), (199, 1612688), (238, 1348424), (242, 1326136), (272, 1179871), (308, 1041964), (374, 858088), (392, 818686), (398, 806344), (476, 674212), (484, 663068), (539, 595408), (616, 520982), (748, 429044), (784, 409343), (796, 403172), (833, 385264), (847, 378896), (952, 337106), (968, 331534), (1078, 297704), (1232, 260491), (1309, 245168), (1393, 230384), (1496, 214522), (1592, 201586), (1666, 192632), (1694, 189448), (1904, 168553), (1936, 165767), (2057, 156016), (2156, 148852), (2189, 146608), (2618, 122584), (2786, 115192), (2992, 107261), (3184, 100793), (3332, 96316), (3383, 94864), (3388, 94724), (4114, 78008), (4312, 74426), (4378, 73304), (5236, 61292), (5572, 57596), (5929, 54128), (6664, 48158), (6766, 47432), (6776, 47362), (8228, 39004), (8624, 37213), (8756, 36652), (9163, 35024), (9751, 32912), (10472, 30646), (11144, 28798), (11858, 27064), (13328, 24079), (13532, 23716), (13552, 23681), (14399, 22288), (15323, 20944), (16456, 19502), (17512, 18326)]