31188360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 108241920

約数和(自身を除く): 77053560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 347, 420, 428, 535, 642, 694, 749, 840, 856, 1041, 1070, 1284, 1388, 1498, 1605, 1735, 2082, 2140, 2247, 2429, 2568, 2776, 2996, 3210, 3470, 3745, 4164, 4280, 4494, 4858, 5205, 5992, 6420, 6940, 7287, 7490, 8328, 8988, 9716, 10410, 11235, 12145, 12840, 13880, 14574, 14980, 17976, 19432, 20820, 22470, 24290, 29148, 29960, 36435, 37129, 41640, 44940, 48580, 58296, 72870, 74258, 89880, 97160, 111387, 145740, 148516, 185645, 222774, 259903, 291480, 297032, 371290, 445548, 519806, 556935, 742580, 779709, 891096, 1039612, 1113870, 1299515, 1485160, 1559418, 2079224, 2227740, 2599030, 3118836, 3898545, 4455480, 5198060, 6237672, 7797090, 10396120, 15594180, 31188360]

約数ペア:

[(1, 31188360), (2, 15594180), (3, 10396120), (4, 7797090), (5, 6237672), (6, 5198060), (7, 4455480), (8, 3898545), (10, 3118836), (12, 2599030), (14, 2227740), (15, 2079224), (20, 1559418), (21, 1485160), (24, 1299515), (28, 1113870), (30, 1039612), (35, 891096), (40, 779709), (42, 742580), (56, 556935), (60, 519806), (70, 445548), (84, 371290), (105, 297032), (107, 291480), (120, 259903), (140, 222774), (168, 185645), (210, 148516), (214, 145740), (280, 111387), (321, 97160), (347, 89880), (420, 74258), (428, 72870), (535, 58296), (642, 48580), (694, 44940), (749, 41640), (840, 37129), (856, 36435), (1041, 29960), (1070, 29148), (1284, 24290), (1388, 22470), (1498, 20820), (1605, 19432), (1735, 17976), (2082, 14980), (2140, 14574), (2247, 13880), (2429, 12840), (2568, 12145), (2776, 11235), (2996, 10410), (3210, 9716), (3470, 8988), (3745, 8328), (4164, 7490), (4280, 7287), (4494, 6940), (4858, 6420), (5205, 5992)]