164061920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 441416304

約数和(自身を除く): 277354384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 97, 110, 124, 155, 160, 176, 194, 220, 248, 310, 341, 352, 388, 440, 485, 496, 620, 682, 776, 880, 961, 970, 992, 1067, 1240, 1364, 1552, 1705, 1760, 1922, 1940, 2134, 2480, 2728, 3007, 3104, 3410, 3844, 3880, 4268, 4805, 4960, 5335, 5456, 6014, 6820, 7688, 7760, 8536, 9610, 10571, 10670, 10912, 12028, 13640, 15035, 15376, 15520, 17072, 19220, 21142, 21340, 24056, 27280, 30070, 30752, 33077, 34144, 38440, 42284, 42680, 48112, 52855, 54560, 60140, 66154, 76880, 84568, 85360, 93217, 96224, 105710, 120280, 132308, 153760, 165385, 169136, 170720, 186434, 211420, 240560, 264616, 330770, 338272, 372868, 422840, 466085, 481120, 529232, 661540, 745736, 845680, 932170, 1025387, 1058464, 1323080, 1491472, 1691360, 1864340, 2050774, 2646160, 2982944, 3728680, 4101548, 5126935, 5292320, 7457360, 8203096, 10253870, 14914720, 16406192, 20507740, 32812384, 41015480, 82030960, 164061920]

約数ペア:

[(1, 164061920), (2, 82030960), (4, 41015480), (5, 32812384), (8, 20507740), (10, 16406192), (11, 14914720), (16, 10253870), (20, 8203096), (22, 7457360), (31, 5292320), (32, 5126935), (40, 4101548), (44, 3728680), (55, 2982944), (62, 2646160), (80, 2050774), (88, 1864340), (97, 1691360), (110, 1491472), (124, 1323080), (155, 1058464), (160, 1025387), (176, 932170), (194, 845680), (220, 745736), (248, 661540), (310, 529232), (341, 481120), (352, 466085), (388, 422840), (440, 372868), (485, 338272), (496, 330770), (620, 264616), (682, 240560), (776, 211420), (880, 186434), (961, 170720), (970, 169136), (992, 165385), (1067, 153760), (1240, 132308), (1364, 120280), (1552, 105710), (1705, 96224), (1760, 93217), (1922, 85360), (1940, 84568), (2134, 76880), (2480, 66154), (2728, 60140), (3007, 54560), (3104, 52855), (3410, 48112), (3844, 42680), (3880, 42284), (4268, 38440), (4805, 34144), (4960, 33077), (5335, 30752), (5456, 30070), (6014, 27280), (6820, 24056), (7688, 21340), (7760, 21142), (8536, 19220), (9610, 17072), (10571, 15520), (10670, 15376), (10912, 15035), (12028, 13640)]