51465420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2087}}^1$

素因数の和:2239

約数の個数: 72

約数和(自身を含む): 157326624

約数和(自身を除く): 105861204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2087, 2466, 2740, 4110, 4174, 4932, 6165, 6261, 8220, 8348, 10435, 12330, 12522, 18783, 20870, 24660, 25044, 31305, 37566, 41740, 62610, 75132, 93915, 125220, 187830, 285919, 375660, 571838, 857757, 1143676, 1429595, 1715514, 2573271, 2859190, 3431028, 4288785, 5146542, 5718380, 8577570, 10293084, 12866355, 17155140, 25732710, 51465420]

約数ペア:

[(1, 51465420), (2, 25732710), (3, 17155140), (4, 12866355), (5, 10293084), (6, 8577570), (9, 5718380), (10, 5146542), (12, 4288785), (15, 3431028), (18, 2859190), (20, 2573271), (30, 1715514), (36, 1429595), (45, 1143676), (60, 857757), (90, 571838), (137, 375660), (180, 285919), (274, 187830), (411, 125220), (548, 93915), (685, 75132), (822, 62610), (1233, 41740), (1370, 37566), (1644, 31305), (2055, 25044), (2087, 24660), (2466, 20870), (2740, 18783), (4110, 12522), (4174, 12330), (4932, 10435), (6165, 8348), (6261, 8220)]