280808976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 857088000

約数和(自身を除く): 576279024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 79, 84, 112, 142, 149, 158, 168, 213, 237, 284, 298, 316, 336, 426, 447, 474, 497, 553, 568, 596, 632, 852, 894, 948, 994, 1043, 1106, 1136, 1192, 1264, 1491, 1659, 1704, 1788, 1896, 1988, 2086, 2212, 2384, 2982, 3129, 3318, 3408, 3576, 3792, 3976, 4172, 4424, 5609, 5964, 6258, 6636, 7152, 7952, 8344, 8848, 10579, 11218, 11771, 11928, 12516, 13272, 16688, 16827, 21158, 22436, 23542, 23856, 25032, 26544, 31737, 33654, 35313, 39263, 42316, 44872, 47084, 50064, 63474, 67308, 70626, 74053, 78526, 82397, 84632, 89744, 94168, 117789, 126948, 134616, 141252, 148106, 157052, 164794, 169264, 188336, 222159, 235578, 247191, 253896, 269232, 282504, 296212, 314104, 329588, 444318, 471156, 494382, 507792, 565008, 592424, 628208, 659176, 835741, 888636, 942312, 988764, 1184848, 1318352, 1671482, 1777272, 1884624, 1977528, 2507223, 3342964, 3554544, 3955056, 5014446, 5850187, 6685928, 10028892, 11700374, 13371856, 17550561, 20057784, 23400748, 35101122, 40115568, 46801496, 70202244, 93602992, 140404488, 280808976]

約数ペア:

[(1, 280808976), (2, 140404488), (3, 93602992), (4, 70202244), (6, 46801496), (7, 40115568), (8, 35101122), (12, 23400748), (14, 20057784), (16, 17550561), (21, 13371856), (24, 11700374), (28, 10028892), (42, 6685928), (48, 5850187), (56, 5014446), (71, 3955056), (79, 3554544), (84, 3342964), (112, 2507223), (142, 1977528), (149, 1884624), (158, 1777272), (168, 1671482), (213, 1318352), (237, 1184848), (284, 988764), (298, 942312), (316, 888636), (336, 835741), (426, 659176), (447, 628208), (474, 592424), (497, 565008), (553, 507792), (568, 494382), (596, 471156), (632, 444318), (852, 329588), (894, 314104), (948, 296212), (994, 282504), (1043, 269232), (1106, 253896), (1136, 247191), (1192, 235578), (1264, 222159), (1491, 188336), (1659, 169264), (1704, 164794), (1788, 157052), (1896, 148106), (1988, 141252), (2086, 134616), (2212, 126948), (2384, 117789), (2982, 94168), (3129, 89744), (3318, 84632), (3408, 82397), (3576, 78526), (3792, 74053), (3976, 70626), (4172, 67308), (4424, 63474), (5609, 50064), (5964, 47084), (6258, 44872), (6636, 42316), (7152, 39263), (7952, 35313), (8344, 33654), (8848, 31737), (10579, 26544), (11218, 25032), (11771, 23856), (11928, 23542), (12516, 22436), (13272, 21158), (16688, 16827)]