77886540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4201}}^1$

素因数の和:4319

約数の個数: 72

約数和(自身を含む): 238606368

約数和(自身を除く): 160719828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4201, 4635, 6180, 8402, 9270, 12603, 16804, 18540, 21005, 25206, 37809, 42010, 50412, 63015, 75618, 84020, 126030, 151236, 189045, 252060, 378090, 432703, 756180, 865406, 1298109, 1730812, 2163515, 2596218, 3894327, 4327030, 5192436, 6490545, 7788654, 8654060, 12981090, 15577308, 19471635, 25962180, 38943270, 77886540]

約数ペア:

[(1, 77886540), (2, 38943270), (3, 25962180), (4, 19471635), (5, 15577308), (6, 12981090), (9, 8654060), (10, 7788654), (12, 6490545), (15, 5192436), (18, 4327030), (20, 3894327), (30, 2596218), (36, 2163515), (45, 1730812), (60, 1298109), (90, 865406), (103, 756180), (180, 432703), (206, 378090), (309, 252060), (412, 189045), (515, 151236), (618, 126030), (927, 84020), (1030, 75618), (1236, 63015), (1545, 50412), (1854, 42010), (2060, 37809), (3090, 25206), (3708, 21005), (4201, 18540), (4635, 16804), (6180, 12603), (8402, 9270)]