31368120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 77495880

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, 349, 420, 428, 535, 642, 698, 749, 840, 856, 1047, 1070, 1284, 1396, 1498, 1605, 1745, 2094, 2140, 2247, 2443, 2568, 2792, 2996, 3210, 3490, 3745, 4188, 4280, 4494, 4886, 5235, 5992, 6420, 6980, 7329, 7490, 8376, 8988, 9772, 10470, 11235, 12215, 12840, 13960, 14658, 14980, 17976, 19544, 20940, 22470, 24430, 29316, 29960, 36645, 37343, 41880, 44940, 48860, 58632, 73290, 74686, 89880, 97720, 112029, 146580, 149372, 186715, 224058, 261401, 293160, 298744, 373430, 448116, 522802, 560145, 746860, 784203, 896232, 1045604, 1120290, 1307005, 1493720, 1568406, 2091208, 2240580, 2614010, 3136812, 3921015, 4481160, 5228020, 6273624, 7842030, 10456040, 15684060, 31368120]

約数ペア:

[(1, 31368120), (2, 15684060), (3, 10456040), (4, 7842030), (5, 6273624), (6, 5228020), (7, 4481160), (8, 3921015), (10, 3136812), (12, 2614010), (14, 2240580), (15, 2091208), (20, 1568406), (21, 1493720), (24, 1307005), (28, 1120290), (30, 1045604), (35, 896232), (40, 784203), (42, 746860), (56, 560145), (60, 522802), (70, 448116), (84, 373430), (105, 298744), (107, 293160), (120, 261401), (140, 224058), (168, 186715), (210, 149372), (214, 146580), (280, 112029), (321, 97720), (349, 89880), (420, 74686), (428, 73290), (535, 58632), (642, 48860), (698, 44940), (749, 41880), (840, 37343), (856, 36645), (1047, 29960), (1070, 29316), (1284, 24430), (1396, 22470), (1498, 20940), (1605, 19544), (1745, 17976), (2094, 14980), (2140, 14658), (2247, 13960), (2443, 12840), (2568, 12215), (2792, 11235), (2996, 10470), (3210, 9772), (3490, 8988), (3745, 8376), (4188, 7490), (4280, 7329), (4494, 6980), (4886, 6420), (5235, 5992)]