261344772

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 783686400

約数和(自身を除く): 522341628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 97, 101, 108, 114, 117, 156, 171, 194, 202, 228, 234, 247, 291, 303, 342, 351, 388, 404, 468, 494, 513, 582, 606, 684, 702, 741, 873, 909, 988, 1026, 1164, 1212, 1261, 1313, 1404, 1482, 1746, 1818, 1843, 1919, 2052, 2223, 2522, 2619, 2626, 2727, 2964, 3492, 3636, 3686, 3783, 3838, 3939, 4446, 5044, 5238, 5252, 5454, 5529, 5757, 6669, 7372, 7566, 7676, 7878, 8892, 9797, 10476, 10908, 11058, 11349, 11514, 11817, 13338, 15132, 15756, 16587, 17271, 19594, 22116, 22698, 23028, 23634, 23959, 24947, 26676, 29391, 33174, 34047, 34542, 35451, 39188, 45396, 47268, 47918, 49761, 49894, 51813, 58782, 66348, 68094, 69084, 70902, 71877, 74841, 88173, 95836, 99522, 99788, 103626, 117564, 127361, 136188, 141804, 143754, 149682, 176346, 186143, 199044, 207252, 215631, 224523, 254722, 264519, 287508, 299364, 352692, 372286, 382083, 431262, 449046, 509444, 529038, 558429, 646893, 673569, 744572, 764166, 862524, 898092, 1058076, 1116858, 1146249, 1293786, 1347138, 1528332, 1675287, 2233716, 2292498, 2419859, 2587572, 2694276, 3350574, 3438747, 4584996, 4839718, 5025861, 6701148, 6877494, 7259577, 9679436, 10051722, 13754988, 14519154, 20103444, 21778731, 29038308, 43557462, 65336193, 87114924, 130672386, 261344772]

約数ペア:

[(1, 261344772), (2, 130672386), (3, 87114924), (4, 65336193), (6, 43557462), (9, 29038308), (12, 21778731), (13, 20103444), (18, 14519154), (19, 13754988), (26, 10051722), (27, 9679436), (36, 7259577), (38, 6877494), (39, 6701148), (52, 5025861), (54, 4839718), (57, 4584996), (76, 3438747), (78, 3350574), (97, 2694276), (101, 2587572), (108, 2419859), (114, 2292498), (117, 2233716), (156, 1675287), (171, 1528332), (194, 1347138), (202, 1293786), (228, 1146249), (234, 1116858), (247, 1058076), (291, 898092), (303, 862524), (342, 764166), (351, 744572), (388, 673569), (404, 646893), (468, 558429), (494, 529038), (513, 509444), (582, 449046), (606, 431262), (684, 382083), (702, 372286), (741, 352692), (873, 299364), (909, 287508), (988, 264519), (1026, 254722), (1164, 224523), (1212, 215631), (1261, 207252), (1313, 199044), (1404, 186143), (1482, 176346), (1746, 149682), (1818, 143754), (1843, 141804), (1919, 136188), (2052, 127361), (2223, 117564), (2522, 103626), (2619, 99788), (2626, 99522), (2727, 95836), (2964, 88173), (3492, 74841), (3636, 71877), (3686, 70902), (3783, 69084), (3838, 68094), (3939, 66348), (4446, 58782), (5044, 51813), (5238, 49894), (5252, 49761), (5454, 47918), (5529, 47268), (5757, 45396), (6669, 39188), (7372, 35451), (7566, 34542), (7676, 34047), (7878, 33174), (8892, 29391), (9797, 26676), (10476, 24947), (10908, 23959), (11058, 23634), (11349, 23028), (11514, 22698), (11817, 22116), (13338, 19594), (15132, 17271), (15756, 16587)]