138740940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 456988896

約数和(自身を除く): 318247956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 211, 234, 260, 281, 390, 422, 468, 562, 585, 633, 780, 843, 844, 1055, 1124, 1170, 1266, 1405, 1686, 1899, 2110, 2340, 2529, 2532, 2743, 2810, 3165, 3372, 3653, 3798, 4215, 4220, 5058, 5486, 5620, 6330, 7306, 7596, 8229, 8430, 9495, 10116, 10959, 10972, 12645, 12660, 13715, 14612, 16458, 16860, 18265, 18990, 21918, 24687, 25290, 27430, 32877, 32916, 36530, 37980, 41145, 43836, 49374, 50580, 54795, 54860, 59291, 65754, 73060, 82290, 98748, 109590, 118582, 123435, 131508, 164385, 164580, 177873, 219180, 237164, 246870, 296455, 328770, 355746, 493740, 533619, 592910, 657540, 711492, 770783, 889365, 1067238, 1185820, 1541566, 1778730, 2134476, 2312349, 2668095, 3083132, 3557460, 3853915, 4624698, 5336190, 6937047, 7707830, 9249396, 10672380, 11561745, 13874094, 15415660, 23123490, 27748188, 34685235, 46246980, 69370470, 138740940]

約数ペア:

[(1, 138740940), (2, 69370470), (3, 46246980), (4, 34685235), (5, 27748188), (6, 23123490), (9, 15415660), (10, 13874094), (12, 11561745), (13, 10672380), (15, 9249396), (18, 7707830), (20, 6937047), (26, 5336190), (30, 4624698), (36, 3853915), (39, 3557460), (45, 3083132), (52, 2668095), (60, 2312349), (65, 2134476), (78, 1778730), (90, 1541566), (117, 1185820), (130, 1067238), (156, 889365), (180, 770783), (195, 711492), (211, 657540), (234, 592910), (260, 533619), (281, 493740), (390, 355746), (422, 328770), (468, 296455), (562, 246870), (585, 237164), (633, 219180), (780, 177873), (843, 164580), (844, 164385), (1055, 131508), (1124, 123435), (1170, 118582), (1266, 109590), (1405, 98748), (1686, 82290), (1899, 73060), (2110, 65754), (2340, 59291), (2529, 54860), (2532, 54795), (2743, 50580), (2810, 49374), (3165, 43836), (3372, 41145), (3653, 37980), (3798, 36530), (4215, 32916), (4220, 32877), (5058, 27430), (5486, 25290), (5620, 24687), (6330, 21918), (7306, 18990), (7596, 18265), (8229, 16860), (8430, 16458), (9495, 14612), (10116, 13715), (10959, 12660), (10972, 12645)]