205657680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1979}}^1$

素因数の和:2428

約数の個数: 80

約数和(自身を含む): 639334080

約数和(自身を除く): 433676400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 433, 866, 1299, 1732, 1979, 2165, 2598, 3464, 3958, 4330, 5196, 5937, 6495, 6928, 7916, 8660, 9895, 10392, 11874, 12990, 15832, 17320, 19790, 20784, 23748, 25980, 29685, 31664, 34640, 39580, 47496, 51960, 59370, 79160, 94992, 103920, 118740, 158320, 237480, 474960, 856907, 1713814, 2570721, 3427628, 4284535, 5141442, 6855256, 8569070, 10282884, 12853605, 13710512, 17138140, 20565768, 25707210, 34276280, 41131536, 51414420, 68552560, 102828840, 205657680]

約数ペア:

[(1, 205657680), (2, 102828840), (3, 68552560), (4, 51414420), (5, 41131536), (6, 34276280), (8, 25707210), (10, 20565768), (12, 17138140), (15, 13710512), (16, 12853605), (20, 10282884), (24, 8569070), (30, 6855256), (40, 5141442), (48, 4284535), (60, 3427628), (80, 2570721), (120, 1713814), (240, 856907), (433, 474960), (866, 237480), (1299, 158320), (1732, 118740), (1979, 103920), (2165, 94992), (2598, 79160), (3464, 59370), (3958, 51960), (4330, 47496), (5196, 39580), (5937, 34640), (6495, 31664), (6928, 29685), (7916, 25980), (8660, 23748), (9895, 20784), (10392, 19790), (11874, 17320), (12990, 15832)]