168798736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 362824000

約数和(自身を除く): 194025264

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 296, 304, 344, 349, 592, 688, 698, 703, 817, 1396, 1406, 1591, 1634, 2792, 2812, 3182, 3268, 5584, 5624, 6364, 6536, 6631, 11248, 12728, 12913, 13072, 13262, 15007, 25456, 25826, 26524, 30014, 30229, 51652, 53048, 60028, 60458, 103304, 106096, 120056, 120916, 206608, 240112, 241832, 245347, 285133, 483664, 490694, 555259, 570266, 981388, 1110518, 1140532, 1962776, 2221036, 2281064, 3925552, 4442072, 4562128, 8884144, 10549921, 21099842, 42199684, 84399368, 168798736]

約数ペア:

[(1, 168798736), (2, 84399368), (4, 42199684), (8, 21099842), (16, 10549921), (19, 8884144), (37, 4562128), (38, 4442072), (43, 3925552), (74, 2281064), (76, 2221036), (86, 1962776), (148, 1140532), (152, 1110518), (172, 981388), (296, 570266), (304, 555259), (344, 490694), (349, 483664), (592, 285133), (688, 245347), (698, 241832), (703, 240112), (817, 206608), (1396, 120916), (1406, 120056), (1591, 106096), (1634, 103304), (2792, 60458), (2812, 60028), (3182, 53048), (3268, 51652), (5584, 30229), (5624, 30014), (6364, 26524), (6536, 25826), (6631, 25456), (11248, 15007), (12728, 13262), (12913, 13072)]