489809145

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 980582400

約数和(自身を除く): 490773255

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 37, 49, 83, 93, 105, 111, 147, 155, 185, 217, 245, 249, 259, 343, 415, 465, 555, 581, 651, 735, 777, 1029, 1085, 1147, 1245, 1295, 1519, 1715, 1743, 1813, 2573, 2905, 3071, 3255, 3441, 3885, 4067, 4557, 5145, 5439, 5735, 7595, 7719, 8029, 8715, 9065, 9213, 10633, 12201, 12691, 12865, 15355, 17205, 18011, 20335, 21497, 22785, 24087, 27195, 28469, 31899, 38073, 38595, 40145, 46065, 53165, 54033, 56203, 61005, 63455, 64491, 85407, 90055, 95201, 107485, 120435, 126077, 142345, 150479, 159495, 168609, 190365, 270165, 281015, 285603, 322455, 378231, 393421, 427035, 451437, 476005, 630385, 666407, 752395, 843045, 882539, 1053353, 1180263, 1428015, 1891155, 1967105, 1999221, 2257185, 2647617, 3160059, 3332035, 4412695, 4664849, 5266765, 5901315, 9996105, 13238085, 13994547, 15800295, 23324245, 32653943, 69972735, 97961829, 163269715, 489809145]

約数ペア:

[(1, 489809145), (3, 163269715), (5, 97961829), (7, 69972735), (15, 32653943), (21, 23324245), (31, 15800295), (35, 13994547), (37, 13238085), (49, 9996105), (83, 5901315), (93, 5266765), (105, 4664849), (111, 4412695), (147, 3332035), (155, 3160059), (185, 2647617), (217, 2257185), (245, 1999221), (249, 1967105), (259, 1891155), (343, 1428015), (415, 1180263), (465, 1053353), (555, 882539), (581, 843045), (651, 752395), (735, 666407), (777, 630385), (1029, 476005), (1085, 451437), (1147, 427035), (1245, 393421), (1295, 378231), (1519, 322455), (1715, 285603), (1743, 281015), (1813, 270165), (2573, 190365), (2905, 168609), (3071, 159495), (3255, 150479), (3441, 142345), (3885, 126077), (4067, 120435), (4557, 107485), (5145, 95201), (5439, 90055), (5735, 85407), (7595, 64491), (7719, 63455), (8029, 61005), (8715, 56203), (9065, 54033), (9213, 53165), (10633, 46065), (12201, 40145), (12691, 38595), (12865, 38073), (15355, 31899), (17205, 28469), (18011, 27195), (20335, 24087), (21497, 22785)]