156945680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 384015600

約数和(自身を除く): 227069920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1109, 1160, 1220, 1769, 2218, 2320, 2440, 3538, 4436, 4880, 5545, 7076, 8845, 8872, 11090, 14152, 17690, 17744, 22180, 28304, 32161, 35380, 44360, 64322, 67649, 70760, 88720, 128644, 135298, 141520, 160805, 257288, 270596, 321610, 338245, 514576, 541192, 643220, 676490, 1082384, 1286440, 1352980, 1961821, 2572880, 2705960, 3923642, 5411920, 7847284, 9809105, 15694568, 19618210, 31389136, 39236420, 78472840, 156945680]

約数ペア:

[(1, 156945680), (2, 78472840), (4, 39236420), (5, 31389136), (8, 19618210), (10, 15694568), (16, 9809105), (20, 7847284), (29, 5411920), (40, 3923642), (58, 2705960), (61, 2572880), (80, 1961821), (116, 1352980), (122, 1286440), (145, 1082384), (232, 676490), (244, 643220), (290, 541192), (305, 514576), (464, 338245), (488, 321610), (580, 270596), (610, 257288), (976, 160805), (1109, 141520), (1160, 135298), (1220, 128644), (1769, 88720), (2218, 70760), (2320, 67649), (2440, 64322), (3538, 44360), (4436, 35380), (4880, 32161), (5545, 28304), (7076, 22180), (8845, 17744), (8872, 17690), (11090, 14152)]