161285250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 128

約数和(自身を含む): 475398144

約数和(自身を除く): 314112894

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 125, 150, 155, 175, 186, 210, 217, 250, 310, 350, 375, 434, 465, 525, 651, 750, 775, 875, 930, 991, 1050, 1085, 1302, 1550, 1750, 1982, 2170, 2325, 2625, 2973, 3255, 3875, 4650, 4955, 5250, 5425, 5946, 6510, 6937, 7750, 9910, 10850, 11625, 13874, 14865, 16275, 20811, 23250, 24775, 27125, 29730, 30721, 32550, 34685, 41622, 49550, 54250, 61442, 69370, 74325, 81375, 92163, 104055, 123875, 148650, 153605, 162750, 173425, 184326, 208110, 215047, 247750, 307210, 346850, 371625, 430094, 460815, 520275, 645141, 743250, 768025, 867125, 921630, 1040550, 1075235, 1290282, 1536050, 1734250, 2150470, 2304075, 2601375, 3225705, 3840125, 4608150, 5202750, 5376175, 6451410, 7680250, 10752350, 11520375, 16128525, 23040750, 26880875, 32257050, 53761750, 80642625, 161285250]

約数ペア:

[(1, 161285250), (2, 80642625), (3, 53761750), (5, 32257050), (6, 26880875), (7, 23040750), (10, 16128525), (14, 11520375), (15, 10752350), (21, 7680250), (25, 6451410), (30, 5376175), (31, 5202750), (35, 4608150), (42, 3840125), (50, 3225705), (62, 2601375), (70, 2304075), (75, 2150470), (93, 1734250), (105, 1536050), (125, 1290282), (150, 1075235), (155, 1040550), (175, 921630), (186, 867125), (210, 768025), (217, 743250), (250, 645141), (310, 520275), (350, 460815), (375, 430094), (434, 371625), (465, 346850), (525, 307210), (651, 247750), (750, 215047), (775, 208110), (875, 184326), (930, 173425), (991, 162750), (1050, 153605), (1085, 148650), (1302, 123875), (1550, 104055), (1750, 92163), (1982, 81375), (2170, 74325), (2325, 69370), (2625, 61442), (2973, 54250), (3255, 49550), (3875, 41622), (4650, 34685), (4955, 32550), (5250, 30721), (5425, 29730), (5946, 27125), (6510, 24775), (6937, 23250), (7750, 20811), (9910, 16275), (10850, 14865), (11625, 13874)]