73072480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 200355120

約数和(自身を除く): 127282640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 43, 52, 65, 76, 80, 86, 95, 104, 130, 152, 160, 172, 190, 208, 215, 247, 260, 304, 344, 380, 416, 430, 494, 520, 559, 608, 688, 760, 817, 860, 988, 1040, 1118, 1235, 1376, 1520, 1634, 1720, 1849, 1976, 2080, 2236, 2470, 2795, 3040, 3268, 3440, 3698, 3952, 4085, 4472, 4940, 5590, 6536, 6880, 7396, 7904, 8170, 8944, 9245, 9880, 10621, 11180, 13072, 14792, 16340, 17888, 18490, 19760, 21242, 22360, 24037, 26144, 29584, 32680, 35131, 36980, 39520, 42484, 44720, 48074, 53105, 59168, 65360, 70262, 73960, 84968, 89440, 96148, 106210, 120185, 130720, 140524, 147920, 169936, 175655, 192296, 212420, 240370, 281048, 295840, 339872, 351310, 384592, 424840, 456703, 480740, 562096, 702620, 769184, 849680, 913406, 961480, 1124192, 1405240, 1699360, 1826812, 1922960, 2283515, 2810480, 3653624, 3845920, 4567030, 5620960, 7307248, 9134060, 14614496, 18268120, 36536240, 73072480]

約数ペア:

[(1, 73072480), (2, 36536240), (4, 18268120), (5, 14614496), (8, 9134060), (10, 7307248), (13, 5620960), (16, 4567030), (19, 3845920), (20, 3653624), (26, 2810480), (32, 2283515), (38, 1922960), (40, 1826812), (43, 1699360), (52, 1405240), (65, 1124192), (76, 961480), (80, 913406), (86, 849680), (95, 769184), (104, 702620), (130, 562096), (152, 480740), (160, 456703), (172, 424840), (190, 384592), (208, 351310), (215, 339872), (247, 295840), (260, 281048), (304, 240370), (344, 212420), (380, 192296), (416, 175655), (430, 169936), (494, 147920), (520, 140524), (559, 130720), (608, 120185), (688, 106210), (760, 96148), (817, 89440), (860, 84968), (988, 73960), (1040, 70262), (1118, 65360), (1235, 59168), (1376, 53105), (1520, 48074), (1634, 44720), (1720, 42484), (1849, 39520), (1976, 36980), (2080, 35131), (2236, 32680), (2470, 29584), (2795, 26144), (3040, 24037), (3268, 22360), (3440, 21242), (3698, 19760), (3952, 18490), (4085, 17888), (4472, 16340), (4940, 14792), (5590, 13072), (6536, 11180), (6880, 10621), (7396, 9880), (7904, 9245), (8170, 8944)]