31191570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 53722350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 79, 82, 90, 107, 123, 158, 205, 214, 237, 246, 321, 369, 395, 410, 474, 535, 615, 642, 711, 738, 790, 963, 1070, 1185, 1230, 1422, 1605, 1845, 1926, 2370, 3210, 3239, 3555, 3690, 4387, 4815, 6478, 7110, 8453, 8774, 9630, 9717, 13161, 16195, 16906, 19434, 21935, 25359, 26322, 29151, 32390, 39483, 42265, 43870, 48585, 50718, 58302, 65805, 76077, 78966, 84530, 97170, 126795, 131610, 145755, 152154, 197415, 253590, 291510, 346573, 380385, 394830, 693146, 760770, 1039719, 1732865, 2079438, 3119157, 3465730, 5198595, 6238314, 10397190, 15595785, 31191570]

約数ペア:

[(1, 31191570), (2, 15595785), (3, 10397190), (5, 6238314), (6, 5198595), (9, 3465730), (10, 3119157), (15, 2079438), (18, 1732865), (30, 1039719), (41, 760770), (45, 693146), (79, 394830), (82, 380385), (90, 346573), (107, 291510), (123, 253590), (158, 197415), (205, 152154), (214, 145755), (237, 131610), (246, 126795), (321, 97170), (369, 84530), (395, 78966), (410, 76077), (474, 65805), (535, 58302), (615, 50718), (642, 48585), (711, 43870), (738, 42265), (790, 39483), (963, 32390), (1070, 29151), (1185, 26322), (1230, 25359), (1422, 21935), (1605, 19434), (1845, 16906), (1926, 16195), (2370, 13161), (3210, 9717), (3239, 9630), (3555, 8774), (3690, 8453), (4387, 7110), (4815, 6478)]