261942528

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{20063}}^1$

素因数の和:20099

約数の個数: 72

約数和(自身を含む): 738194688

約数和(自身を除く): 476252160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1632, 2176, 3264, 4352, 6528, 13056, 20063, 40126, 60189, 80252, 120378, 160504, 240756, 321008, 341071, 481512, 642016, 682142, 963024, 1023213, 1284032, 1364284, 1926048, 2046426, 2568064, 2728568, 3852096, 4092852, 5136128, 5457136, 7704192, 8185704, 10914272, 15408384, 16371408, 21828544, 32742816, 43657088, 65485632, 87314176, 130971264, 261942528]

約数ペア:

[(1, 261942528), (2, 130971264), (3, 87314176), (4, 65485632), (6, 43657088), (8, 32742816), (12, 21828544), (16, 16371408), (17, 15408384), (24, 10914272), (32, 8185704), (34, 7704192), (48, 5457136), (51, 5136128), (64, 4092852), (68, 3852096), (96, 2728568), (102, 2568064), (128, 2046426), (136, 1926048), (192, 1364284), (204, 1284032), (256, 1023213), (272, 963024), (384, 682142), (408, 642016), (544, 481512), (768, 341071), (816, 321008), (1088, 240756), (1632, 160504), (2176, 120378), (3264, 80252), (4352, 60189), (6528, 40126), (13056, 20063)]