72728460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 181541556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 293, 315, 394, 420, 586, 591, 630, 788, 879, 985, 1172, 1182, 1260, 1379, 1465, 1758, 1773, 1970, 2051, 2364, 2637, 2758, 2930, 2955, 3516, 3546, 3940, 4102, 4137, 4395, 5274, 5516, 5860, 5910, 6153, 6895, 7092, 8204, 8274, 8790, 8865, 10255, 10548, 11820, 12306, 12411, 13185, 13790, 16548, 17580, 17730, 18459, 20510, 20685, 24612, 24822, 26370, 27580, 30765, 35460, 36918, 41020, 41370, 49644, 52740, 57721, 61530, 62055, 73836, 82740, 92295, 115442, 123060, 124110, 173163, 184590, 230884, 248220, 288605, 346326, 369180, 404047, 519489, 577210, 692652, 808094, 865815, 1038978, 1154420, 1212141, 1616188, 1731630, 2020235, 2077956, 2424282, 2597445, 3463260, 3636423, 4040470, 4848564, 5194890, 6060705, 7272846, 8080940, 10389780, 12121410, 14545692, 18182115, 24242820, 36364230, 72728460]

約数ペア:

[(1, 72728460), (2, 36364230), (3, 24242820), (4, 18182115), (5, 14545692), (6, 12121410), (7, 10389780), (9, 8080940), (10, 7272846), (12, 6060705), (14, 5194890), (15, 4848564), (18, 4040470), (20, 3636423), (21, 3463260), (28, 2597445), (30, 2424282), (35, 2077956), (36, 2020235), (42, 1731630), (45, 1616188), (60, 1212141), (63, 1154420), (70, 1038978), (84, 865815), (90, 808094), (105, 692652), (126, 577210), (140, 519489), (180, 404047), (197, 369180), (210, 346326), (252, 288605), (293, 248220), (315, 230884), (394, 184590), (420, 173163), (586, 124110), (591, 123060), (630, 115442), (788, 92295), (879, 82740), (985, 73836), (1172, 62055), (1182, 61530), (1260, 57721), (1379, 52740), (1465, 49644), (1758, 41370), (1773, 41020), (1970, 36918), (2051, 35460), (2364, 30765), (2637, 27580), (2758, 26370), (2930, 24822), (2955, 24612), (3516, 20685), (3546, 20510), (3940, 18459), (4102, 17730), (4137, 17580), (4395, 16548), (5274, 13790), (5516, 13185), (5860, 12411), (5910, 12306), (6153, 11820), (6895, 10548), (7092, 10255), (8204, 8865), (8274, 8790)]