156965865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 305250048

約数和(自身を除く): 148284183

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 83, 93, 105, 147, 155, 217, 245, 249, 415, 465, 581, 651, 735, 1085, 1245, 1519, 1743, 2573, 2905, 3255, 4067, 4557, 6889, 7595, 7719, 8715, 12201, 12865, 18011, 20335, 20667, 22785, 34445, 38595, 48223, 54033, 61005, 90055, 103335, 126077, 144669, 213559, 241115, 270165, 337561, 378231, 630385, 640677, 723345, 1012683, 1067795, 1494913, 1687805, 1891155, 3203385, 4484739, 5063415, 7474565, 10464391, 22423695, 31393173, 52321955, 156965865]

約数ペア:

[(1, 156965865), (3, 52321955), (5, 31393173), (7, 22423695), (15, 10464391), (21, 7474565), (31, 5063415), (35, 4484739), (49, 3203385), (83, 1891155), (93, 1687805), (105, 1494913), (147, 1067795), (155, 1012683), (217, 723345), (245, 640677), (249, 630385), (415, 378231), (465, 337561), (581, 270165), (651, 241115), (735, 213559), (1085, 144669), (1245, 126077), (1519, 103335), (1743, 90055), (2573, 61005), (2905, 54033), (3255, 48223), (4067, 38595), (4557, 34445), (6889, 22785), (7595, 20667), (7719, 20335), (8715, 18011), (12201, 12865)]