721336416

素因数分解:

$2^5\times 3^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 1923264000

約数和(自身を除く): 1201927584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 149, 211, 239, 298, 422, 447, 478, 596, 633, 717, 844, 894, 956, 1192, 1266, 1434, 1688, 1788, 1912, 2384, 2532, 2868, 3376, 3576, 3824, 4768, 5064, 5736, 6752, 7152, 7648, 10128, 11472, 14304, 20256, 22944, 31439, 35611, 50429, 62878, 71222, 94317, 100858, 106833, 125756, 142444, 151287, 188634, 201716, 213666, 251512, 284888, 302574, 377268, 403432, 427332, 503024, 569776, 605148, 754536, 806864, 854664, 1006048, 1139552, 1210296, 1509072, 1613728, 1709328, 2420592, 3018144, 3418656, 4841184, 7513921, 15027842, 22541763, 30055684, 45083526, 60111368, 90167052, 120222736, 180334104, 240445472, 360668208, 721336416]

約数ペア:

[(1, 721336416), (2, 360668208), (3, 240445472), (4, 180334104), (6, 120222736), (8, 90167052), (12, 60111368), (16, 45083526), (24, 30055684), (32, 22541763), (48, 15027842), (96, 7513921), (149, 4841184), (211, 3418656), (239, 3018144), (298, 2420592), (422, 1709328), (447, 1613728), (478, 1509072), (596, 1210296), (633, 1139552), (717, 1006048), (844, 854664), (894, 806864), (956, 754536), (1192, 605148), (1266, 569776), (1434, 503024), (1688, 427332), (1788, 403432), (1912, 377268), (2384, 302574), (2532, 284888), (2868, 251512), (3376, 213666), (3576, 201716), (3824, 188634), (4768, 151287), (5064, 142444), (5736, 125756), (6752, 106833), (7152, 100858), (7648, 94317), (10128, 71222), (11472, 62878), (14304, 50429), (20256, 35611), (22944, 31439)]