65712080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 175655424

約数和(自身を除く): 109943344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 433, 542, 560, 866, 1084, 1355, 1732, 1897, 2165, 2168, 2710, 3031, 3464, 3794, 4330, 4336, 5420, 6062, 6928, 7588, 8660, 9485, 10840, 12124, 15155, 15176, 17320, 18970, 21680, 24248, 30310, 30352, 34640, 37940, 48496, 60620, 75880, 117343, 121240, 151760, 234686, 242480, 469372, 586715, 821401, 938744, 1173430, 1642802, 1877488, 2346860, 3285604, 4107005, 4693720, 6571208, 8214010, 9387440, 13142416, 16428020, 32856040, 65712080]

約数ペア:

[(1, 65712080), (2, 32856040), (4, 16428020), (5, 13142416), (7, 9387440), (8, 8214010), (10, 6571208), (14, 4693720), (16, 4107005), (20, 3285604), (28, 2346860), (35, 1877488), (40, 1642802), (56, 1173430), (70, 938744), (80, 821401), (112, 586715), (140, 469372), (271, 242480), (280, 234686), (433, 151760), (542, 121240), (560, 117343), (866, 75880), (1084, 60620), (1355, 48496), (1732, 37940), (1897, 34640), (2165, 30352), (2168, 30310), (2710, 24248), (3031, 21680), (3464, 18970), (3794, 17320), (4330, 15176), (4336, 15155), (5420, 12124), (6062, 10840), (6928, 9485), (7588, 8660)]