77924840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 209952000

約数和(自身を除く): 132027160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 59, 70, 89, 106, 118, 140, 178, 212, 236, 265, 280, 295, 356, 371, 413, 424, 445, 472, 530, 590, 623, 712, 742, 826, 890, 1060, 1180, 1246, 1484, 1652, 1780, 1855, 2065, 2120, 2360, 2492, 2968, 3115, 3127, 3304, 3560, 3710, 4130, 4717, 4984, 5251, 6230, 6254, 7420, 8260, 9434, 10502, 12460, 12508, 14840, 15635, 16520, 18868, 21004, 21889, 23585, 24920, 25016, 26255, 31270, 33019, 36757, 37736, 42008, 43778, 47170, 52510, 62540, 66038, 73514, 87556, 94340, 105020, 109445, 125080, 132076, 147028, 165095, 175112, 183785, 188680, 210040, 218890, 264152, 278303, 294056, 330190, 367570, 437780, 556606, 660380, 735140, 875560, 1113212, 1320760, 1391515, 1470280, 1948121, 2226424, 2783030, 3896242, 5566060, 7792484, 9740605, 11132120, 15584968, 19481210, 38962420, 77924840]

約数ペア:

[(1, 77924840), (2, 38962420), (4, 19481210), (5, 15584968), (7, 11132120), (8, 9740605), (10, 7792484), (14, 5566060), (20, 3896242), (28, 2783030), (35, 2226424), (40, 1948121), (53, 1470280), (56, 1391515), (59, 1320760), (70, 1113212), (89, 875560), (106, 735140), (118, 660380), (140, 556606), (178, 437780), (212, 367570), (236, 330190), (265, 294056), (280, 278303), (295, 264152), (356, 218890), (371, 210040), (413, 188680), (424, 183785), (445, 175112), (472, 165095), (530, 147028), (590, 132076), (623, 125080), (712, 109445), (742, 105020), (826, 94340), (890, 87556), (1060, 73514), (1180, 66038), (1246, 62540), (1484, 52510), (1652, 47170), (1780, 43778), (1855, 42008), (2065, 37736), (2120, 36757), (2360, 33019), (2492, 31270), (2968, 26255), (3115, 25016), (3127, 24920), (3304, 23585), (3560, 21889), (3710, 21004), (4130, 18868), (4717, 16520), (4984, 15635), (5251, 14840), (6230, 12508), (6254, 12460), (7420, 10502), (8260, 9434)]