77477220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{823}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 235749696

約数和(自身を除く): 158272476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 823, 1046, 1569, 1646, 2092, 2469, 2615, 3138, 3292, 4115, 4707, 4938, 5230, 6276, 7407, 7845, 8230, 9414, 9876, 10460, 12345, 14814, 15690, 16460, 18828, 23535, 24690, 29628, 31380, 37035, 47070, 49380, 74070, 94140, 148140, 430429, 860858, 1291287, 1721716, 2152145, 2582574, 3873861, 4304290, 5165148, 6456435, 7747722, 8608580, 12912870, 15495444, 19369305, 25825740, 38738610, 77477220]

約数ペア:

[(1, 77477220), (2, 38738610), (3, 25825740), (4, 19369305), (5, 15495444), (6, 12912870), (9, 8608580), (10, 7747722), (12, 6456435), (15, 5165148), (18, 4304290), (20, 3873861), (30, 2582574), (36, 2152145), (45, 1721716), (60, 1291287), (90, 860858), (180, 430429), (523, 148140), (823, 94140), (1046, 74070), (1569, 49380), (1646, 47070), (2092, 37035), (2469, 31380), (2615, 29628), (3138, 24690), (3292, 23535), (4115, 18828), (4707, 16460), (4938, 15690), (5230, 14814), (6276, 12345), (7407, 10460), (7845, 9876), (8230, 9414)]