13815238960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1\times {\mathrm{1249}}^1$

素因数の和:1683

約数の個数: 120

約数和(自身を含む): 34015680000

約数和(自身を除く): 20200441040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 383, 722, 760, 766, 1249, 1444, 1520, 1532, 1805, 1915, 2498, 2888, 3064, 3610, 3830, 4996, 5776, 6128, 6245, 7220, 7277, 7660, 9992, 12490, 14440, 14554, 15320, 19984, 23731, 24980, 28880, 29108, 30640, 36385, 47462, 49960, 58216, 72770, 94924, 99920, 116432, 118655, 138263, 145540, 189848, 237310, 276526, 291080, 379696, 450889, 474620, 478367, 553052, 582160, 691315, 901778, 949240, 956734, 1106104, 1382630, 1803556, 1898480, 1913468, 2212208, 2254445, 2391835, 2765260, 3607112, 3826936, 4508890, 4783670, 5530520, 7214224, 7653872, 9017780, 9088973, 9567340, 11061040, 18035560, 18177946, 19134680, 36071120, 36355892, 38269360, 45444865, 72711784, 90889730, 145423568, 172690487, 181779460, 345380974, 363558920, 690761948, 727117840, 863452435, 1381523896, 1726904870, 2763047792, 3453809740, 6907619480, 13815238960]

約数ペア:

[(1, 13815238960), (2, 6907619480), (4, 3453809740), (5, 2763047792), (8, 1726904870), (10, 1381523896), (16, 863452435), (19, 727117840), (20, 690761948), (38, 363558920), (40, 345380974), (76, 181779460), (80, 172690487), (95, 145423568), (152, 90889730), (190, 72711784), (304, 45444865), (361, 38269360), (380, 36355892), (383, 36071120), (722, 19134680), (760, 18177946), (766, 18035560), (1249, 11061040), (1444, 9567340), (1520, 9088973), (1532, 9017780), (1805, 7653872), (1915, 7214224), (2498, 5530520), (2888, 4783670), (3064, 4508890), (3610, 3826936), (3830, 3607112), (4996, 2765260), (5776, 2391835), (6128, 2254445), (6245, 2212208), (7220, 1913468), (7277, 1898480), (7660, 1803556), (9992, 1382630), (12490, 1106104), (14440, 956734), (14554, 949240), (15320, 901778), (19984, 691315), (23731, 582160), (24980, 553052), (28880, 478367), (29108, 474620), (30640, 450889), (36385, 379696), (47462, 291080), (49960, 276526), (58216, 237310), (72770, 189848), (94924, 145540), (99920, 138263), (116432, 118655)]