68211520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:912

約数の個数: 112

約数和(自身を含む): 184343040

約数和(自身を除く): 116131520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 863, 988, 1040, 1216, 1235, 1520, 1726, 1976, 2080, 2470, 3040, 3452, 3952, 4160, 4315, 4940, 6080, 6904, 7904, 8630, 9880, 11219, 13808, 15808, 16397, 17260, 19760, 22438, 27616, 32794, 34520, 39520, 44876, 55232, 56095, 65588, 69040, 79040, 81985, 89752, 112190, 131176, 138080, 163970, 179504, 213161, 224380, 262352, 276160, 327940, 359008, 426322, 448760, 524704, 655880, 718016, 852644, 897520, 1049408, 1065805, 1311760, 1705288, 1795040, 2131610, 2623520, 3410576, 3590080, 4263220, 5247040, 6821152, 8526440, 13642304, 17052880, 34105760, 68211520]

約数ペア:

[(1, 68211520), (2, 34105760), (4, 17052880), (5, 13642304), (8, 8526440), (10, 6821152), (13, 5247040), (16, 4263220), (19, 3590080), (20, 3410576), (26, 2623520), (32, 2131610), (38, 1795040), (40, 1705288), (52, 1311760), (64, 1065805), (65, 1049408), (76, 897520), (80, 852644), (95, 718016), (104, 655880), (130, 524704), (152, 448760), (160, 426322), (190, 359008), (208, 327940), (247, 276160), (260, 262352), (304, 224380), (320, 213161), (380, 179504), (416, 163970), (494, 138080), (520, 131176), (608, 112190), (760, 89752), (832, 81985), (863, 79040), (988, 69040), (1040, 65588), (1216, 56095), (1235, 55232), (1520, 44876), (1726, 39520), (1976, 34520), (2080, 32794), (2470, 27616), (3040, 22438), (3452, 19760), (3952, 17260), (4160, 16397), (4315, 15808), (4940, 13808), (6080, 11219), (6904, 9880), (7904, 8630)]