308584960

素因数分解:

$2^9\times 5^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:981

約数の個数: 80

約数和(自身を含む): 745767000

約数和(自身を除く): 437182040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 512, 596, 640, 745, 809, 1192, 1280, 1490, 1618, 2384, 2560, 2980, 3236, 4045, 4768, 5960, 6472, 8090, 9536, 11920, 12944, 16180, 19072, 23840, 25888, 32360, 38144, 47680, 51776, 64720, 76288, 95360, 103552, 120541, 129440, 190720, 207104, 241082, 258880, 381440, 414208, 482164, 517760, 602705, 964328, 1035520, 1205410, 1928656, 2071040, 2410820, 3857312, 4821640, 7714624, 9643280, 15429248, 19286560, 30858496, 38573120, 61716992, 77146240, 154292480, 308584960]

約数ペア:

[(1, 308584960), (2, 154292480), (4, 77146240), (5, 61716992), (8, 38573120), (10, 30858496), (16, 19286560), (20, 15429248), (32, 9643280), (40, 7714624), (64, 4821640), (80, 3857312), (128, 2410820), (149, 2071040), (160, 1928656), (256, 1205410), (298, 1035520), (320, 964328), (512, 602705), (596, 517760), (640, 482164), (745, 414208), (809, 381440), (1192, 258880), (1280, 241082), (1490, 207104), (1618, 190720), (2384, 129440), (2560, 120541), (2980, 103552), (3236, 95360), (4045, 76288), (4768, 64720), (5960, 51776), (6472, 47680), (8090, 38144), (9536, 32360), (11920, 25888), (12944, 23840), (16180, 19072)]