80385180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78809}}^1$

素因数の和:78838

約数の個数: 48

約数和(自身を含む): 238321440

約数和(自身を除く): 157936260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 78809, 157618, 236427, 315236, 394045, 472854, 788090, 945708, 1182135, 1339753, 1576180, 2364270, 2679506, 4019259, 4728540, 5359012, 6698765, 8038518, 13397530, 16077036, 20096295, 26795060, 40192590, 80385180]

約数ペア:

[(1, 80385180), (2, 40192590), (3, 26795060), (4, 20096295), (5, 16077036), (6, 13397530), (10, 8038518), (12, 6698765), (15, 5359012), (17, 4728540), (20, 4019259), (30, 2679506), (34, 2364270), (51, 1576180), (60, 1339753), (68, 1182135), (85, 945708), (102, 788090), (170, 472854), (204, 394045), (255, 315236), (340, 236427), (510, 157618), (1020, 78809)]