400955160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^3\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 1254916800

約数和(自身を除く): 853961640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 137, 145, 174, 232, 274, 290, 348, 411, 435, 548, 580, 685, 696, 822, 841, 870, 1096, 1160, 1370, 1644, 1682, 1740, 2055, 2523, 2740, 3288, 3364, 3480, 3973, 4110, 4205, 5046, 5480, 6728, 7946, 8220, 8410, 10092, 11919, 12615, 15892, 16440, 16820, 19865, 20184, 23838, 24389, 25230, 31784, 33640, 39730, 47676, 48778, 50460, 59595, 73167, 79460, 95352, 97556, 100920, 115217, 119190, 121945, 146334, 158920, 195112, 230434, 238380, 243890, 292668, 345651, 365835, 460868, 476760, 487780, 576085, 585336, 691302, 731670, 921736, 975560, 1152170, 1382604, 1463340, 1728255, 2304340, 2765208, 2926680, 3341293, 3456510, 4608680, 6682586, 6913020, 10023879, 13365172, 13826040, 16706465, 20047758, 26730344, 33412930, 40095516, 50119395, 66825860, 80191032, 100238790, 133651720, 200477580, 400955160]

約数ペア:

[(1, 400955160), (2, 200477580), (3, 133651720), (4, 100238790), (5, 80191032), (6, 66825860), (8, 50119395), (10, 40095516), (12, 33412930), (15, 26730344), (20, 20047758), (24, 16706465), (29, 13826040), (30, 13365172), (40, 10023879), (58, 6913020), (60, 6682586), (87, 4608680), (116, 3456510), (120, 3341293), (137, 2926680), (145, 2765208), (174, 2304340), (232, 1728255), (274, 1463340), (290, 1382604), (348, 1152170), (411, 975560), (435, 921736), (548, 731670), (580, 691302), (685, 585336), (696, 576085), (822, 487780), (841, 476760), (870, 460868), (1096, 365835), (1160, 345651), (1370, 292668), (1644, 243890), (1682, 238380), (1740, 230434), (2055, 195112), (2523, 158920), (2740, 146334), (3288, 121945), (3364, 119190), (3480, 115217), (3973, 100920), (4110, 97556), (4205, 95352), (5046, 79460), (5480, 73167), (6728, 59595), (7946, 50460), (8220, 48778), (8410, 47676), (10092, 39730), (11919, 33640), (12615, 31784), (15892, 25230), (16440, 24389), (16820, 23838), (19865, 20184)]