156914320

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 373726080

約数和(自身を除く): 216811760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 137, 139, 206, 274, 278, 412, 515, 548, 556, 685, 695, 824, 1030, 1096, 1112, 1370, 1390, 1648, 2060, 2192, 2224, 2740, 2780, 4120, 5480, 5560, 8240, 10960, 11120, 14111, 14317, 19043, 28222, 28634, 38086, 56444, 57268, 70555, 71585, 76172, 95215, 112888, 114536, 141110, 143170, 152344, 190430, 225776, 229072, 282220, 286340, 304688, 380860, 564440, 572680, 761720, 1128880, 1145360, 1523440, 1961429, 3922858, 7845716, 9807145, 15691432, 19614290, 31382864, 39228580, 78457160, 156914320]

約数ペア:

[(1, 156914320), (2, 78457160), (4, 39228580), (5, 31382864), (8, 19614290), (10, 15691432), (16, 9807145), (20, 7845716), (40, 3922858), (80, 1961429), (103, 1523440), (137, 1145360), (139, 1128880), (206, 761720), (274, 572680), (278, 564440), (412, 380860), (515, 304688), (548, 286340), (556, 282220), (685, 229072), (695, 225776), (824, 190430), (1030, 152344), (1096, 143170), (1112, 141110), (1370, 114536), (1390, 112888), (1648, 95215), (2060, 76172), (2192, 71585), (2224, 70555), (2740, 57268), (2780, 56444), (4120, 38086), (5480, 28634), (5560, 28222), (8240, 19043), (10960, 14317), (11120, 14111)]