1317697160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1999

約数の個数: 128

約数和(自身を含む): 3374300160

約数和(自身を除く): 2056603000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 215, 248, 260, 310, 344, 403, 430, 520, 559, 620, 806, 860, 1118, 1240, 1333, 1612, 1720, 1901, 2015, 2236, 2666, 2795, 3224, 3802, 4030, 4472, 5332, 5590, 6665, 7604, 8060, 9505, 10664, 11180, 13330, 15208, 16120, 17329, 19010, 22360, 24713, 26660, 34658, 38020, 49426, 53320, 58931, 69316, 76040, 81743, 86645, 98852, 117862, 123565, 138632, 163486, 173290, 197704, 235724, 247130, 294655, 326972, 346580, 408715, 471448, 494260, 589310, 653944, 693160, 766103, 817430, 988520, 1062659, 1178620, 1532206, 1634860, 2125318, 2357240, 2534033, 3064412, 3269720, 3830515, 4250636, 5068066, 5313295, 6128824, 7661030, 8501272, 10136132, 10626590, 12670165, 15322060, 20272264, 21253180, 25340330, 30644120, 32942429, 42506360, 50680660, 65884858, 101361320, 131769716, 164712145, 263539432, 329424290, 658848580, 1317697160]

約数ペア:

[(1, 1317697160), (2, 658848580), (4, 329424290), (5, 263539432), (8, 164712145), (10, 131769716), (13, 101361320), (20, 65884858), (26, 50680660), (31, 42506360), (40, 32942429), (43, 30644120), (52, 25340330), (62, 21253180), (65, 20272264), (86, 15322060), (104, 12670165), (124, 10626590), (130, 10136132), (155, 8501272), (172, 7661030), (215, 6128824), (248, 5313295), (260, 5068066), (310, 4250636), (344, 3830515), (403, 3269720), (430, 3064412), (520, 2534033), (559, 2357240), (620, 2125318), (806, 1634860), (860, 1532206), (1118, 1178620), (1240, 1062659), (1333, 988520), (1612, 817430), (1720, 766103), (1901, 693160), (2015, 653944), (2236, 589310), (2666, 494260), (2795, 471448), (3224, 408715), (3802, 346580), (4030, 326972), (4472, 294655), (5332, 247130), (5590, 235724), (6665, 197704), (7604, 173290), (8060, 163486), (9505, 138632), (10664, 123565), (11180, 117862), (13330, 98852), (15208, 86645), (16120, 81743), (17329, 76040), (19010, 69316), (22360, 58931), (24713, 53320), (26660, 49426), (34658, 38020)]