311484576

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 900922176

約数和(自身を除く): 589437600

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 73, 78, 96, 104, 146, 156, 169, 208, 219, 263, 292, 312, 338, 416, 438, 507, 526, 584, 624, 676, 789, 876, 949, 1014, 1052, 1168, 1248, 1352, 1578, 1752, 1898, 2028, 2104, 2336, 2704, 2847, 3156, 3419, 3504, 3796, 4056, 4208, 5408, 5694, 6312, 6838, 7008, 7592, 8112, 8416, 10257, 11388, 12337, 12624, 13676, 15184, 16224, 19199, 20514, 22776, 24674, 25248, 27352, 30368, 37011, 38398, 41028, 44447, 45552, 49348, 54704, 57597, 74022, 76796, 82056, 88894, 91104, 98696, 109408, 115194, 133341, 148044, 153592, 164112, 177788, 197392, 230388, 249587, 266682, 296088, 307184, 328224, 355576, 394784, 460776, 499174, 533364, 592176, 614368, 711152, 748761, 921552, 998348, 1066728, 1184352, 1422304, 1497522, 1843104, 1996696, 2133456, 2995044, 3244631, 3993392, 4266912, 5990088, 6489262, 7986784, 9733893, 11980176, 12978524, 19467786, 23960352, 25957048, 38935572, 51914096, 77871144, 103828192, 155742288, 311484576]

約数ペア:

[(1, 311484576), (2, 155742288), (3, 103828192), (4, 77871144), (6, 51914096), (8, 38935572), (12, 25957048), (13, 23960352), (16, 19467786), (24, 12978524), (26, 11980176), (32, 9733893), (39, 7986784), (48, 6489262), (52, 5990088), (73, 4266912), (78, 3993392), (96, 3244631), (104, 2995044), (146, 2133456), (156, 1996696), (169, 1843104), (208, 1497522), (219, 1422304), (263, 1184352), (292, 1066728), (312, 998348), (338, 921552), (416, 748761), (438, 711152), (507, 614368), (526, 592176), (584, 533364), (624, 499174), (676, 460776), (789, 394784), (876, 355576), (949, 328224), (1014, 307184), (1052, 296088), (1168, 266682), (1248, 249587), (1352, 230388), (1578, 197392), (1752, 177788), (1898, 164112), (2028, 153592), (2104, 148044), (2336, 133341), (2704, 115194), (2847, 109408), (3156, 98696), (3419, 91104), (3504, 88894), (3796, 82056), (4056, 76796), (4208, 74022), (5408, 57597), (5694, 54704), (6312, 49348), (6838, 45552), (7008, 44447), (7592, 41028), (8112, 38398), (8416, 37011), (10257, 30368), (11388, 27352), (12337, 25248), (12624, 24674), (13676, 22776), (15184, 20514), (16224, 19199)]