345983560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 877363200

約数和(自身を除く): 531379640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 127, 130, 155, 169, 248, 254, 260, 310, 338, 403, 508, 520, 620, 635, 676, 806, 845, 1016, 1240, 1270, 1352, 1612, 1651, 1690, 2015, 2197, 2540, 3224, 3302, 3380, 3937, 4030, 4394, 5080, 5239, 6604, 6760, 7874, 8060, 8255, 8788, 10478, 10985, 13208, 15748, 16120, 16510, 17576, 19685, 20956, 21463, 21970, 26195, 31496, 33020, 39370, 41912, 42926, 43940, 51181, 52390, 66040, 68107, 78740, 85852, 87880, 102362, 104780, 107315, 136214, 157480, 171704, 204724, 209560, 214630, 255905, 272428, 279019, 340535, 409448, 429260, 511810, 544856, 558038, 665353, 681070, 858520, 1023620, 1116076, 1330706, 1362140, 1395095, 2047240, 2232152, 2661412, 2724280, 2790190, 3326765, 5322824, 5580380, 6653530, 8649589, 11160760, 13307060, 17299178, 26614120, 34598356, 43247945, 69196712, 86495890, 172991780, 345983560]

約数ペア:

[(1, 345983560), (2, 172991780), (4, 86495890), (5, 69196712), (8, 43247945), (10, 34598356), (13, 26614120), (20, 17299178), (26, 13307060), (31, 11160760), (40, 8649589), (52, 6653530), (62, 5580380), (65, 5322824), (104, 3326765), (124, 2790190), (127, 2724280), (130, 2661412), (155, 2232152), (169, 2047240), (248, 1395095), (254, 1362140), (260, 1330706), (310, 1116076), (338, 1023620), (403, 858520), (508, 681070), (520, 665353), (620, 558038), (635, 544856), (676, 511810), (806, 429260), (845, 409448), (1016, 340535), (1240, 279019), (1270, 272428), (1352, 255905), (1612, 214630), (1651, 209560), (1690, 204724), (2015, 171704), (2197, 157480), (2540, 136214), (3224, 107315), (3302, 104780), (3380, 102362), (3937, 87880), (4030, 85852), (4394, 78740), (5080, 68107), (5239, 66040), (6604, 52390), (6760, 51181), (7874, 43940), (8060, 42926), (8255, 41912), (8788, 39370), (10478, 33020), (10985, 31496), (13208, 26195), (15748, 21970), (16120, 21463), (16510, 20956), (17576, 19685)]