398192640

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{6481}}^1$

素因数の和:6513

約数の個数: 104

約数和(自身を含む): 1274257488

約数和(自身を除く): 876064848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 6481, 7680, 10240, 12288, 12962, 15360, 19443, 20480, 25924, 30720, 32405, 38886, 51848, 61440, 64810, 77772, 97215, 103696, 129620, 155544, 194430, 207392, 259240, 311088, 388860, 414784, 518480, 622176, 777720, 829568, 1036960, 1244352, 1555440, 1659136, 2073920, 2488704, 3110880, 3318272, 4147840, 4977408, 6221760, 6636544, 8295680, 9954816, 12443520, 13273088, 16591360, 19909632, 24887040, 26546176, 33182720, 39819264, 49774080, 66365440, 79638528, 99548160, 132730880, 199096320, 398192640]

約数ペア:

[(1, 398192640), (2, 199096320), (3, 132730880), (4, 99548160), (5, 79638528), (6, 66365440), (8, 49774080), (10, 39819264), (12, 33182720), (15, 26546176), (16, 24887040), (20, 19909632), (24, 16591360), (30, 13273088), (32, 12443520), (40, 9954816), (48, 8295680), (60, 6636544), (64, 6221760), (80, 4977408), (96, 4147840), (120, 3318272), (128, 3110880), (160, 2488704), (192, 2073920), (240, 1659136), (256, 1555440), (320, 1244352), (384, 1036960), (480, 829568), (512, 777720), (640, 622176), (768, 518480), (960, 414784), (1024, 388860), (1280, 311088), (1536, 259240), (1920, 207392), (2048, 194430), (2560, 155544), (3072, 129620), (3840, 103696), (4096, 97215), (5120, 77772), (6144, 64810), (6481, 61440), (7680, 51848), (10240, 38886), (12288, 32405), (12962, 30720), (15360, 25924), (19443, 20480)]