259781340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 192

約数和(自身を含む): 914457600

約数和(自身を除く): 654676260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 343, 364, 390, 420, 455, 490, 546, 588, 637, 686, 735, 780, 910, 971, 980, 1029, 1092, 1274, 1365, 1372, 1470, 1715, 1820, 1911, 1942, 2058, 2548, 2730, 2913, 2940, 3185, 3430, 3822, 3884, 4116, 4459, 4855, 5145, 5460, 5826, 6370, 6797, 6860, 7644, 8918, 9555, 9710, 10290, 11652, 12623, 12740, 13377, 13594, 14565, 17836, 19110, 19420, 20391, 20580, 22295, 25246, 26754, 27188, 29130, 33985, 37869, 38220, 40782, 44590, 47579, 50492, 53508, 58260, 63115, 66885, 67970, 75738, 81564, 88361, 89180, 95158, 101955, 126230, 133770, 135940, 142737, 151476, 176722, 189345, 190316, 203910, 237895, 252460, 265083, 267540, 285474, 333053, 353444, 378690, 407820, 441805, 475790, 530166, 570948, 618527, 666106, 713685, 757380, 883610, 951580, 999159, 1060332, 1237054, 1325415, 1332212, 1427370, 1665265, 1767220, 1855581, 1998318, 2474108, 2650830, 2854740, 3092635, 3330530, 3711162, 3996636, 4329689, 4995795, 5301660, 6185270, 6661060, 7422324, 8659378, 9277905, 9991590, 12370540, 12989067, 17318756, 18555810, 19983180, 21648445, 25978134, 37111620, 43296890, 51956268, 64945335, 86593780, 129890670, 259781340]

約数ペア:

[(1, 259781340), (2, 129890670), (3, 86593780), (4, 64945335), (5, 51956268), (6, 43296890), (7, 37111620), (10, 25978134), (12, 21648445), (13, 19983180), (14, 18555810), (15, 17318756), (20, 12989067), (21, 12370540), (26, 9991590), (28, 9277905), (30, 8659378), (35, 7422324), (39, 6661060), (42, 6185270), (49, 5301660), (52, 4995795), (60, 4329689), (65, 3996636), (70, 3711162), (78, 3330530), (84, 3092635), (91, 2854740), (98, 2650830), (105, 2474108), (130, 1998318), (140, 1855581), (147, 1767220), (156, 1665265), (182, 1427370), (195, 1332212), (196, 1325415), (210, 1237054), (245, 1060332), (260, 999159), (273, 951580), (294, 883610), (343, 757380), (364, 713685), (390, 666106), (420, 618527), (455, 570948), (490, 530166), (546, 475790), (588, 441805), (637, 407820), (686, 378690), (735, 353444), (780, 333053), (910, 285474), (971, 267540), (980, 265083), (1029, 252460), (1092, 237895), (1274, 203910), (1365, 190316), (1372, 189345), (1470, 176722), (1715, 151476), (1820, 142737), (1911, 135940), (1942, 133770), (2058, 126230), (2548, 101955), (2730, 95158), (2913, 89180), (2940, 88361), (3185, 81564), (3430, 75738), (3822, 67970), (3884, 66885), (4116, 63115), (4459, 58260), (4855, 53508), (5145, 50492), (5460, 47579), (5826, 44590), (6370, 40782), (6797, 38220), (6860, 37869), (7644, 33985), (8918, 29130), (9555, 27188), (9710, 26754), (10290, 25246), (11652, 22295), (12623, 20580), (12740, 20391), (13377, 19420), (13594, 19110), (14565, 17836)]