156955520

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2381}}^1$

素因数の和:2503

約数の個数: 64

約数和(自身を含む): 379023840

約数和(自身を除く): 222068320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1648, 2060, 2381, 3296, 4120, 4762, 6592, 8240, 9524, 11905, 13184, 16480, 19048, 23810, 32960, 38096, 47620, 65920, 76192, 95240, 152384, 190480, 245243, 304768, 380960, 490486, 761920, 980972, 1226215, 1523840, 1961944, 2452430, 3923888, 4904860, 7847776, 9809720, 15695552, 19619440, 31391104, 39238880, 78477760, 156955520]

約数ペア:

[(1, 156955520), (2, 78477760), (4, 39238880), (5, 31391104), (8, 19619440), (10, 15695552), (16, 9809720), (20, 7847776), (32, 4904860), (40, 3923888), (64, 2452430), (80, 1961944), (103, 1523840), (128, 1226215), (160, 980972), (206, 761920), (320, 490486), (412, 380960), (515, 304768), (640, 245243), (824, 190480), (1030, 152384), (1648, 95240), (2060, 76192), (2381, 65920), (3296, 47620), (4120, 38096), (4762, 32960), (6592, 23810), (8240, 19048), (9524, 16480), (11905, 13184)]