54718720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 155409408

約数和(自身を除く): 100690688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 197, 217, 224, 248, 256, 280, 310, 320, 394, 434, 448, 496, 560, 620, 640, 788, 868, 896, 985, 992, 1085, 1120, 1240, 1280, 1379, 1576, 1736, 1792, 1970, 1984, 2170, 2240, 2480, 2758, 3152, 3472, 3940, 3968, 4340, 4480, 4960, 5516, 6107, 6304, 6895, 6944, 7880, 7936, 8680, 8960, 9920, 11032, 12214, 12608, 13790, 13888, 15760, 17360, 19840, 22064, 24428, 25216, 27580, 27776, 30535, 31520, 34720, 39680, 42749, 44128, 48856, 50432, 55160, 55552, 61070, 63040, 69440, 85498, 88256, 97712, 110320, 122140, 126080, 138880, 170996, 176512, 195424, 213745, 220640, 244280, 252160, 277760, 341992, 353024, 390848, 427490, 441280, 488560, 683984, 781696, 854980, 882560, 977120, 1367968, 1563392, 1709960, 1765120, 1954240, 2735936, 3419920, 3908480, 5471872, 6839840, 7816960, 10943744, 13679680, 27359360, 54718720]

約数ペア:

[(1, 54718720), (2, 27359360), (4, 13679680), (5, 10943744), (7, 7816960), (8, 6839840), (10, 5471872), (14, 3908480), (16, 3419920), (20, 2735936), (28, 1954240), (31, 1765120), (32, 1709960), (35, 1563392), (40, 1367968), (56, 977120), (62, 882560), (64, 854980), (70, 781696), (80, 683984), (112, 488560), (124, 441280), (128, 427490), (140, 390848), (155, 353024), (160, 341992), (197, 277760), (217, 252160), (224, 244280), (248, 220640), (256, 213745), (280, 195424), (310, 176512), (320, 170996), (394, 138880), (434, 126080), (448, 122140), (496, 110320), (560, 97712), (620, 88256), (640, 85498), (788, 69440), (868, 63040), (896, 61070), (985, 55552), (992, 55160), (1085, 50432), (1120, 48856), (1240, 44128), (1280, 42749), (1379, 39680), (1576, 34720), (1736, 31520), (1792, 30535), (1970, 27776), (1984, 27580), (2170, 25216), (2240, 24428), (2480, 22064), (2758, 19840), (3152, 17360), (3472, 15760), (3940, 13888), (3968, 13790), (4340, 12608), (4480, 12214), (4960, 11032), (5516, 9920), (6107, 8960), (6304, 8680), (6895, 7936), (6944, 7880)]