77795120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 213319680

約数和(自身を除く): 135524560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 127, 130, 152, 155, 190, 208, 247, 248, 254, 260, 304, 310, 380, 403, 494, 496, 508, 520, 589, 620, 635, 760, 806, 988, 1016, 1040, 1178, 1235, 1240, 1270, 1520, 1612, 1651, 1976, 2015, 2032, 2356, 2413, 2470, 2480, 2540, 2945, 3224, 3302, 3937, 3952, 4030, 4712, 4826, 4940, 5080, 5890, 6448, 6604, 7657, 7874, 8060, 8255, 9424, 9652, 9880, 10160, 11780, 12065, 13208, 15314, 15748, 16120, 16510, 19304, 19685, 19760, 23560, 24130, 26416, 30628, 31369, 31496, 32240, 33020, 38285, 38608, 39370, 47120, 48260, 51181, 61256, 62738, 62992, 66040, 74803, 76570, 78740, 96520, 102362, 122512, 125476, 132080, 149606, 153140, 156845, 157480, 193040, 204724, 250952, 255905, 299212, 306280, 313690, 314960, 374015, 409448, 501904, 511810, 598424, 612560, 627380, 748030, 818896, 972439, 1023620, 1196848, 1254760, 1496060, 1944878, 2047240, 2509520, 2992120, 3889756, 4094480, 4862195, 5984240, 7779512, 9724390, 15559024, 19448780, 38897560, 77795120]

約数ペア:

[(1, 77795120), (2, 38897560), (4, 19448780), (5, 15559024), (8, 9724390), (10, 7779512), (13, 5984240), (16, 4862195), (19, 4094480), (20, 3889756), (26, 2992120), (31, 2509520), (38, 2047240), (40, 1944878), (52, 1496060), (62, 1254760), (65, 1196848), (76, 1023620), (80, 972439), (95, 818896), (104, 748030), (124, 627380), (127, 612560), (130, 598424), (152, 511810), (155, 501904), (190, 409448), (208, 374015), (247, 314960), (248, 313690), (254, 306280), (260, 299212), (304, 255905), (310, 250952), (380, 204724), (403, 193040), (494, 157480), (496, 156845), (508, 153140), (520, 149606), (589, 132080), (620, 125476), (635, 122512), (760, 102362), (806, 96520), (988, 78740), (1016, 76570), (1040, 74803), (1178, 66040), (1235, 62992), (1240, 62738), (1270, 61256), (1520, 51181), (1612, 48260), (1651, 47120), (1976, 39370), (2015, 38608), (2032, 38285), (2356, 33020), (2413, 32240), (2470, 31496), (2480, 31369), (2540, 30628), (2945, 26416), (3224, 24130), (3302, 23560), (3937, 19760), (3952, 19685), (4030, 19304), (4712, 16510), (4826, 16120), (4940, 15748), (5080, 15314), (5890, 13208), (6448, 12065), (6604, 11780), (7657, 10160), (7874, 9880), (8060, 9652), (8255, 9424)]