639072288

素因数分解:

$2^5\times 3^3\times {\mathrm{37}}^1\times {\mathrm{19991}}^1$

素因数の和:20047

約数の個数: 96

約数和(自身を含む): 1914433920

約数和(自身を除く): 1275361632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 96, 108, 111, 144, 148, 216, 222, 288, 296, 333, 432, 444, 592, 666, 864, 888, 999, 1184, 1332, 1776, 1998, 2664, 3552, 3996, 5328, 7992, 10656, 15984, 19991, 31968, 39982, 59973, 79964, 119946, 159928, 179919, 239892, 319856, 359838, 479784, 539757, 639712, 719676, 739667, 959568, 1079514, 1439352, 1479334, 1919136, 2159028, 2219001, 2878704, 2958668, 4318056, 4438002, 5757408, 5917336, 6657003, 8636112, 8876004, 11834672, 13314006, 17272224, 17752008, 19971009, 23669344, 26628012, 35504016, 39942018, 53256024, 71008032, 79884036, 106512048, 159768072, 213024096, 319536144, 639072288]

約数ペア:

[(1, 639072288), (2, 319536144), (3, 213024096), (4, 159768072), (6, 106512048), (8, 79884036), (9, 71008032), (12, 53256024), (16, 39942018), (18, 35504016), (24, 26628012), (27, 23669344), (32, 19971009), (36, 17752008), (37, 17272224), (48, 13314006), (54, 11834672), (72, 8876004), (74, 8636112), (96, 6657003), (108, 5917336), (111, 5757408), (144, 4438002), (148, 4318056), (216, 2958668), (222, 2878704), (288, 2219001), (296, 2159028), (333, 1919136), (432, 1479334), (444, 1439352), (592, 1079514), (666, 959568), (864, 739667), (888, 719676), (999, 639712), (1184, 539757), (1332, 479784), (1776, 359838), (1998, 319856), (2664, 239892), (3552, 179919), (3996, 159928), (5328, 119946), (7992, 79964), (10656, 59973), (15984, 39982), (19991, 31968)]