1561229748

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 4656960000

約数和(自身を除く): 3095730252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 149, 153, 156, 204, 221, 234, 298, 306, 351, 439, 442, 447, 459, 468, 596, 612, 663, 702, 878, 884, 894, 918, 1317, 1326, 1341, 1404, 1756, 1788, 1836, 1937, 1989, 2533, 2634, 2652, 2682, 3874, 3951, 3978, 4023, 5066, 5268, 5364, 5707, 5811, 5967, 7463, 7599, 7748, 7902, 7956, 8046, 10132, 11414, 11622, 11853, 11934, 14926, 15198, 15804, 16092, 17121, 17433, 22389, 22797, 22828, 23244, 23706, 23868, 29852, 30396, 32929, 34242, 34866, 44778, 45594, 47412, 51363, 52299, 65411, 65858, 67167, 68391, 68484, 69732, 89556, 91188, 97019, 98787, 102726, 104598, 130822, 131716, 134334, 136782, 154089, 194038, 196233, 197574, 201501, 205452, 209196, 261644, 268668, 273564, 291057, 296361, 308178, 388076, 392466, 395148, 403002, 582114, 588699, 592722, 616356, 784932, 806004, 850343, 873171, 889083, 1111987, 1164228, 1177398, 1185444, 1700686, 1746342, 1766097, 1778166, 2223974, 2354796, 2551029, 2619513, 3335961, 3401372, 3492684, 3532194, 3556332, 4447948, 5102058, 5239026, 6671922, 7064388, 7653087, 10007883, 10204116, 10478052, 13343844, 14455831, 15306174, 20015766, 22959261, 28911662, 30023649, 30612348, 40031532, 43367493, 45918522, 57823324, 60047298, 86734986, 91837044, 120094596, 130102479, 173469972, 260204958, 390307437, 520409916, 780614874, 1561229748]

約数ペア:

[(1, 1561229748), (2, 780614874), (3, 520409916), (4, 390307437), (6, 260204958), (9, 173469972), (12, 130102479), (13, 120094596), (17, 91837044), (18, 86734986), (26, 60047298), (27, 57823324), (34, 45918522), (36, 43367493), (39, 40031532), (51, 30612348), (52, 30023649), (54, 28911662), (68, 22959261), (78, 20015766), (102, 15306174), (108, 14455831), (117, 13343844), (149, 10478052), (153, 10204116), (156, 10007883), (204, 7653087), (221, 7064388), (234, 6671922), (298, 5239026), (306, 5102058), (351, 4447948), (439, 3556332), (442, 3532194), (447, 3492684), (459, 3401372), (468, 3335961), (596, 2619513), (612, 2551029), (663, 2354796), (702, 2223974), (878, 1778166), (884, 1766097), (894, 1746342), (918, 1700686), (1317, 1185444), (1326, 1177398), (1341, 1164228), (1404, 1111987), (1756, 889083), (1788, 873171), (1836, 850343), (1937, 806004), (1989, 784932), (2533, 616356), (2634, 592722), (2652, 588699), (2682, 582114), (3874, 403002), (3951, 395148), (3978, 392466), (4023, 388076), (5066, 308178), (5268, 296361), (5364, 291057), (5707, 273564), (5811, 268668), (5967, 261644), (7463, 209196), (7599, 205452), (7748, 201501), (7902, 197574), (7956, 196233), (8046, 194038), (10132, 154089), (11414, 136782), (11622, 134334), (11853, 131716), (11934, 130822), (14926, 104598), (15198, 102726), (15804, 98787), (16092, 97019), (17121, 91188), (17433, 89556), (22389, 69732), (22797, 68484), (22828, 68391), (23244, 67167), (23706, 65858), (23868, 65411), (29852, 52299), (30396, 51363), (32929, 47412), (34242, 45594), (34866, 44778)]