71431640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 200448000

約数和(自身を除く): 129016360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 380, 406, 463, 532, 551, 580, 665, 760, 812, 926, 1015, 1064, 1102, 1160, 1330, 1624, 1852, 2030, 2204, 2315, 2660, 2755, 3241, 3704, 3857, 4060, 4408, 4630, 5320, 5510, 6482, 7714, 8120, 8797, 9260, 11020, 12964, 13427, 15428, 16205, 17594, 18520, 19285, 22040, 25928, 26854, 30856, 32410, 35188, 38570, 43985, 53708, 61579, 64820, 67135, 70376, 77140, 87970, 93989, 107416, 123158, 129640, 134270, 154280, 175940, 187978, 246316, 255113, 268540, 307895, 351880, 375956, 469945, 492632, 510226, 537080, 615790, 751912, 939890, 1020452, 1231580, 1275565, 1785791, 1879780, 2040904, 2463160, 2551130, 3571582, 3759560, 5102260, 7143164, 8928955, 10204520, 14286328, 17857910, 35715820, 71431640]

約数ペア:

[(1, 71431640), (2, 35715820), (4, 17857910), (5, 14286328), (7, 10204520), (8, 8928955), (10, 7143164), (14, 5102260), (19, 3759560), (20, 3571582), (28, 2551130), (29, 2463160), (35, 2040904), (38, 1879780), (40, 1785791), (56, 1275565), (58, 1231580), (70, 1020452), (76, 939890), (95, 751912), (116, 615790), (133, 537080), (140, 510226), (145, 492632), (152, 469945), (190, 375956), (203, 351880), (232, 307895), (266, 268540), (280, 255113), (290, 246316), (380, 187978), (406, 175940), (463, 154280), (532, 134270), (551, 129640), (580, 123158), (665, 107416), (760, 93989), (812, 87970), (926, 77140), (1015, 70376), (1064, 67135), (1102, 64820), (1160, 61579), (1330, 53708), (1624, 43985), (1852, 38570), (2030, 35188), (2204, 32410), (2315, 30856), (2660, 26854), (2755, 25928), (3241, 22040), (3704, 19285), (3857, 18520), (4060, 17594), (4408, 16205), (4630, 15428), (5320, 13427), (5510, 12964), (6482, 11020), (7714, 9260), (8120, 8797)]