252028160

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 652935360

約数和(自身を除く): 400907200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 152, 160, 172, 190, 215, 241, 256, 304, 320, 344, 380, 430, 482, 608, 640, 688, 760, 817, 860, 964, 1205, 1216, 1280, 1376, 1520, 1634, 1720, 1928, 2410, 2432, 2752, 3040, 3268, 3440, 3856, 4085, 4579, 4820, 4864, 5504, 6080, 6536, 6880, 7712, 8170, 9158, 9640, 10363, 11008, 12160, 13072, 13760, 15424, 16340, 18316, 19280, 20726, 22895, 24320, 26144, 27520, 30848, 32680, 36632, 38560, 41452, 45790, 51815, 52288, 55040, 61696, 65360, 73264, 77120, 82904, 91580, 103630, 104576, 130720, 146528, 154240, 165808, 183160, 196897, 207260, 209152, 261440, 293056, 308480, 331616, 366320, 393794, 414520, 522880, 586112, 663232, 732640, 787588, 829040, 984485, 1045760, 1172224, 1326464, 1465280, 1575176, 1658080, 1968970, 2652928, 2930560, 3150352, 3316160, 3937940, 5861120, 6300704, 6632320, 7875880, 12601408, 13264640, 15751760, 25202816, 31503520, 50405632, 63007040, 126014080, 252028160]

約数ペア:

[(1, 252028160), (2, 126014080), (4, 63007040), (5, 50405632), (8, 31503520), (10, 25202816), (16, 15751760), (19, 13264640), (20, 12601408), (32, 7875880), (38, 6632320), (40, 6300704), (43, 5861120), (64, 3937940), (76, 3316160), (80, 3150352), (86, 2930560), (95, 2652928), (128, 1968970), (152, 1658080), (160, 1575176), (172, 1465280), (190, 1326464), (215, 1172224), (241, 1045760), (256, 984485), (304, 829040), (320, 787588), (344, 732640), (380, 663232), (430, 586112), (482, 522880), (608, 414520), (640, 393794), (688, 366320), (760, 331616), (817, 308480), (860, 293056), (964, 261440), (1205, 209152), (1216, 207260), (1280, 196897), (1376, 183160), (1520, 165808), (1634, 154240), (1720, 146528), (1928, 130720), (2410, 104576), (2432, 103630), (2752, 91580), (3040, 82904), (3268, 77120), (3440, 73264), (3856, 65360), (4085, 61696), (4579, 55040), (4820, 52288), (4864, 51815), (5504, 45790), (6080, 41452), (6536, 38560), (6880, 36632), (7712, 32680), (8170, 30848), (9158, 27520), (9640, 26144), (10363, 24320), (11008, 22895), (12160, 20726), (13072, 19280), (13760, 18316), (15424, 16340)]