7470225

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 120

約数和(自身を含む): 17284608

約数和(自身を除く): 9814383

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 31, 35, 45, 51, 63, 75, 81, 85, 93, 105, 119, 135, 153, 155, 175, 189, 217, 225, 255, 279, 315, 357, 405, 425, 459, 465, 525, 527, 567, 595, 651, 675, 765, 775, 837, 945, 1071, 1085, 1275, 1377, 1395, 1575, 1581, 1785, 1953, 2025, 2295, 2325, 2511, 2635, 2835, 2975, 3213, 3255, 3689, 3825, 4185, 4725, 4743, 5355, 5425, 5859, 6885, 6975, 7905, 8925, 9639, 9765, 11067, 11475, 12555, 13175, 14175, 14229, 16065, 16275, 17577, 18445, 20925, 23715, 26775, 29295, 33201, 34425, 39525, 42687, 48195, 48825, 55335, 62775, 71145, 80325, 87885, 92225, 99603, 118575, 146475, 166005, 213435, 240975, 276675, 298809, 355725, 439425, 498015, 830025, 1067175, 1494045, 2490075, 7470225]

約数ペア:

[(1, 7470225), (3, 2490075), (5, 1494045), (7, 1067175), (9, 830025), (15, 498015), (17, 439425), (21, 355725), (25, 298809), (27, 276675), (31, 240975), (35, 213435), (45, 166005), (51, 146475), (63, 118575), (75, 99603), (81, 92225), (85, 87885), (93, 80325), (105, 71145), (119, 62775), (135, 55335), (153, 48825), (155, 48195), (175, 42687), (189, 39525), (217, 34425), (225, 33201), (255, 29295), (279, 26775), (315, 23715), (357, 20925), (405, 18445), (425, 17577), (459, 16275), (465, 16065), (525, 14229), (527, 14175), (567, 13175), (595, 12555), (651, 11475), (675, 11067), (765, 9765), (775, 9639), (837, 8925), (945, 7905), (1071, 6975), (1085, 6885), (1275, 5859), (1377, 5425), (1395, 5355), (1575, 4743), (1581, 4725), (1785, 4185), (1953, 3825), (2025, 3689), (2295, 3255), (2325, 3213), (2511, 2975), (2635, 2835)]