51647490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 138568320

約数和(自身を除く): 86920830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 270, 394, 591, 971, 985, 1182, 1773, 1942, 1970, 2913, 2955, 3546, 4855, 5319, 5826, 5910, 8739, 8865, 9710, 10638, 14565, 17478, 17730, 26217, 26595, 29130, 43695, 52434, 53190, 87390, 131085, 191287, 262170, 382574, 573861, 956435, 1147722, 1721583, 1912870, 2869305, 3443166, 5164749, 5738610, 8607915, 10329498, 17215830, 25823745, 51647490]

約数ペア:

[(1, 51647490), (2, 25823745), (3, 17215830), (5, 10329498), (6, 8607915), (9, 5738610), (10, 5164749), (15, 3443166), (18, 2869305), (27, 1912870), (30, 1721583), (45, 1147722), (54, 956435), (90, 573861), (135, 382574), (197, 262170), (270, 191287), (394, 131085), (591, 87390), (971, 53190), (985, 52434), (1182, 43695), (1773, 29130), (1942, 26595), (1970, 26217), (2913, 17730), (2955, 17478), (3546, 14565), (4855, 10638), (5319, 9710), (5826, 8865), (5910, 8739)]