240471560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{20947}}^1$

素因数の和:21006

約数の個数: 64

約数和(自身を含む): 633467520

約数和(自身を除く): 392995960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 20947, 41894, 83788, 104735, 146629, 167576, 209470, 293258, 418940, 586516, 733145, 837880, 858827, 1173032, 1466290, 1717654, 2932580, 3435308, 4294135, 5865160, 6011789, 6870616, 8588270, 12023578, 17176540, 24047156, 30058945, 34353080, 48094312, 60117890, 120235780, 240471560]

約数ペア:

[(1, 240471560), (2, 120235780), (4, 60117890), (5, 48094312), (7, 34353080), (8, 30058945), (10, 24047156), (14, 17176540), (20, 12023578), (28, 8588270), (35, 6870616), (40, 6011789), (41, 5865160), (56, 4294135), (70, 3435308), (82, 2932580), (140, 1717654), (164, 1466290), (205, 1173032), (280, 858827), (287, 837880), (328, 733145), (410, 586516), (574, 418940), (820, 293258), (1148, 209470), (1435, 167576), (1640, 146629), (2296, 104735), (2870, 83788), (5740, 41894), (11480, 20947)]