30078680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 70778880

約数和(自身を除く): 40700200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 191, 248, 254, 310, 382, 508, 620, 635, 764, 955, 1016, 1240, 1270, 1528, 1910, 2540, 3820, 3937, 5080, 5921, 7640, 7874, 11842, 15748, 19685, 23684, 24257, 29605, 31496, 39370, 47368, 48514, 59210, 78740, 97028, 118420, 121285, 157480, 194056, 236840, 242570, 485140, 751967, 970280, 1503934, 3007868, 3759835, 6015736, 7519670, 15039340, 30078680]

約数ペア:

[(1, 30078680), (2, 15039340), (4, 7519670), (5, 6015736), (8, 3759835), (10, 3007868), (20, 1503934), (31, 970280), (40, 751967), (62, 485140), (124, 242570), (127, 236840), (155, 194056), (191, 157480), (248, 121285), (254, 118420), (310, 97028), (382, 78740), (508, 59210), (620, 48514), (635, 47368), (764, 39370), (955, 31496), (1016, 29605), (1240, 24257), (1270, 23684), (1528, 19685), (1910, 15748), (2540, 11842), (3820, 7874), (3937, 7640), (5080, 5921)]