28782630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1327}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 75201984

約数和(自身を除く): 46419354

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241, 482, 723, 1205, 1327, 1446, 2169, 2410, 2654, 3615, 3981, 4338, 6635, 7230, 7962, 10845, 11943, 13270, 19905, 21690, 23886, 39810, 59715, 119430, 319807, 639614, 959421, 1599035, 1918842, 2878263, 3198070, 4797105, 5756526, 9594210, 14391315, 28782630]

約数ペア:

[(1, 28782630), (2, 14391315), (3, 9594210), (5, 5756526), (6, 4797105), (9, 3198070), (10, 2878263), (15, 1918842), (18, 1599035), (30, 959421), (45, 639614), (90, 319807), (241, 119430), (482, 59715), (723, 39810), (1205, 23886), (1327, 21690), (1446, 19905), (2169, 13270), (2410, 11943), (2654, 10845), (3615, 7962), (3981, 7230), (4338, 6635)]