2490075

素因数分解:

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

素因数の和:74

約数の個数: 96

約数和(自身を含む): 5713920

約数和(自身を除く): 3223845

約数列:

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

約数ペア:

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