81304236

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 232416800

約数和(自身を除く): 151112564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 97, 108, 117, 156, 162, 194, 199, 234, 291, 324, 351, 388, 398, 468, 582, 597, 702, 796, 873, 1053, 1164, 1194, 1261, 1404, 1746, 1791, 2106, 2388, 2522, 2587, 2619, 3492, 3582, 3783, 4212, 5044, 5174, 5238, 5373, 7164, 7566, 7761, 7857, 10348, 10476, 10746, 11349, 15132, 15522, 15714, 16119, 19303, 21492, 22698, 23283, 31044, 31428, 32238, 34047, 38606, 45396, 46566, 57909, 64476, 68094, 69849, 77212, 93132, 102141, 115818, 136188, 139698, 173727, 204282, 209547, 231636, 250939, 279396, 347454, 408564, 419094, 501878, 521181, 694908, 752817, 838188, 1003756, 1042362, 1505634, 1563543, 2084724, 2258451, 3011268, 3127086, 4516902, 6254172, 6775353, 9033804, 13550706, 20326059, 27101412, 40652118, 81304236]

約数ペア:

[(1, 81304236), (2, 40652118), (3, 27101412), (4, 20326059), (6, 13550706), (9, 9033804), (12, 6775353), (13, 6254172), (18, 4516902), (26, 3127086), (27, 3011268), (36, 2258451), (39, 2084724), (52, 1563543), (54, 1505634), (78, 1042362), (81, 1003756), (97, 838188), (108, 752817), (117, 694908), (156, 521181), (162, 501878), (194, 419094), (199, 408564), (234, 347454), (291, 279396), (324, 250939), (351, 231636), (388, 209547), (398, 204282), (468, 173727), (582, 139698), (597, 136188), (702, 115818), (796, 102141), (873, 93132), (1053, 77212), (1164, 69849), (1194, 68094), (1261, 64476), (1404, 57909), (1746, 46566), (1791, 45396), (2106, 38606), (2388, 34047), (2522, 32238), (2587, 31428), (2619, 31044), (3492, 23283), (3582, 22698), (3783, 21492), (4212, 19303), (5044, 16119), (5174, 15714), (5238, 15522), (5373, 15132), (7164, 11349), (7566, 10746), (7761, 10476), (7857, 10348)]