890097660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{549443}}^1$

素因数の和:549464

約数の個数: 60

約数和(自身を含む): 2792274408

約数和(自身を除く): 1902176748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 549443, 1098886, 1648329, 2197772, 2747215, 3296658, 4944987, 5494430, 6593316, 8241645, 9889974, 10988860, 14834961, 16483290, 19779948, 24724935, 29669922, 32966580, 44504883, 49449870, 59339844, 74174805, 89009766, 98899740, 148349610, 178019532, 222524415, 296699220, 445048830, 890097660]

約数ペア:

[(1, 890097660), (2, 445048830), (3, 296699220), (4, 222524415), (5, 178019532), (6, 148349610), (9, 98899740), (10, 89009766), (12, 74174805), (15, 59339844), (18, 49449870), (20, 44504883), (27, 32966580), (30, 29669922), (36, 24724935), (45, 19779948), (54, 16483290), (60, 14834961), (81, 10988860), (90, 9889974), (108, 8241645), (135, 6593316), (162, 5494430), (180, 4944987), (270, 3296658), (324, 2747215), (405, 2197772), (540, 1648329), (810, 1098886), (1620, 549443)]