161481720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13873}}^1$

素因数の和:13984

約数の個数: 64

約数和(自身を含む): 489474720

約数和(自身を除く): 327993000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 13873, 27746, 41619, 55492, 69365, 83238, 110984, 138730, 166476, 208095, 277460, 332952, 416190, 554920, 832380, 1345681, 1664760, 2691362, 4037043, 5382724, 6728405, 8074086, 10765448, 13456810, 16148172, 20185215, 26913620, 32296344, 40370430, 53827240, 80740860, 161481720]

約数ペア:

[(1, 161481720), (2, 80740860), (3, 53827240), (4, 40370430), (5, 32296344), (6, 26913620), (8, 20185215), (10, 16148172), (12, 13456810), (15, 10765448), (20, 8074086), (24, 6728405), (30, 5382724), (40, 4037043), (60, 2691362), (97, 1664760), (120, 1345681), (194, 832380), (291, 554920), (388, 416190), (485, 332952), (582, 277460), (776, 208095), (970, 166476), (1164, 138730), (1455, 110984), (1940, 83238), (2328, 69365), (2910, 55492), (3880, 41619), (5820, 27746), (11640, 13873)]