1279071750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 3504923136

約数和(自身を除く): 2225851386

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 197, 250, 275, 330, 375, 394, 550, 591, 750, 787, 825, 985, 1182, 1375, 1574, 1650, 1970, 2167, 2361, 2750, 2955, 3935, 4125, 4334, 4722, 4925, 5910, 6501, 7870, 8250, 8657, 9850, 10835, 11805, 13002, 14775, 17314, 19675, 21670, 23610, 24625, 25971, 29550, 32505, 39350, 43285, 49250, 51942, 54175, 59025, 65010, 73875, 86570, 98375, 108350, 118050, 129855, 147750, 155039, 162525, 196750, 216425, 259710, 270875, 295125, 310078, 325050, 432850, 465117, 541750, 590250, 649275, 775195, 812625, 930234, 1082125, 1298550, 1550390, 1625250, 1705429, 2164250, 2325585, 3246375, 3410858, 3875975, 4651170, 5116287, 6492750, 7751950, 8527145, 10232574, 11627925, 17054290, 19379875, 23255850, 25581435, 38759750, 42635725, 51162870, 58139625, 85271450, 116279250, 127907175, 213178625, 255814350, 426357250, 639535875, 1279071750]

約数ペア:

[(1, 1279071750), (2, 639535875), (3, 426357250), (5, 255814350), (6, 213178625), (10, 127907175), (11, 116279250), (15, 85271450), (22, 58139625), (25, 51162870), (30, 42635725), (33, 38759750), (50, 25581435), (55, 23255850), (66, 19379875), (75, 17054290), (110, 11627925), (125, 10232574), (150, 8527145), (165, 7751950), (197, 6492750), (250, 5116287), (275, 4651170), (330, 3875975), (375, 3410858), (394, 3246375), (550, 2325585), (591, 2164250), (750, 1705429), (787, 1625250), (825, 1550390), (985, 1298550), (1182, 1082125), (1375, 930234), (1574, 812625), (1650, 775195), (1970, 649275), (2167, 590250), (2361, 541750), (2750, 465117), (2955, 432850), (3935, 325050), (4125, 310078), (4334, 295125), (4722, 270875), (4925, 259710), (5910, 216425), (6501, 196750), (7870, 162525), (8250, 155039), (8657, 147750), (9850, 129855), (10835, 118050), (11805, 108350), (13002, 98375), (14775, 86570), (17314, 73875), (19675, 65010), (21670, 59025), (23610, 54175), (24625, 51942), (25971, 49250), (29550, 43285), (32505, 39350)]