221570280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{615473}}^1$

素因数の和:615490

約数の個数: 48

約数和(自身を含む): 720104580

約数和(自身を除く): 498534300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 615473, 1230946, 1846419, 2461892, 3077365, 3692838, 4923784, 5539257, 6154730, 7385676, 9232095, 11078514, 12309460, 14771352, 18464190, 22157028, 24618920, 27696285, 36928380, 44314056, 55392570, 73856760, 110785140, 221570280]

約数ペア:

[(1, 221570280), (2, 110785140), (3, 73856760), (4, 55392570), (5, 44314056), (6, 36928380), (8, 27696285), (9, 24618920), (10, 22157028), (12, 18464190), (15, 14771352), (18, 12309460), (20, 11078514), (24, 9232095), (30, 7385676), (36, 6154730), (40, 5539257), (45, 4923784), (60, 3692838), (72, 3077365), (90, 2461892), (120, 1846419), (180, 1230946), (360, 615473)]