81250020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{397}}^1$

素因数の和:794

約数の個数: 96

約数和(自身を含む): 254083200

約数和(自身を除く): 172833180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 379, 397, 540, 758, 794, 1137, 1191, 1516, 1588, 1895, 1985, 2274, 2382, 3411, 3573, 3790, 3970, 4548, 4764, 5685, 5955, 6822, 7146, 7580, 7940, 10233, 10719, 11370, 11910, 13644, 14292, 17055, 17865, 20466, 21438, 22740, 23820, 34110, 35730, 40932, 42876, 51165, 53595, 68220, 71460, 102330, 107190, 150463, 204660, 214380, 300926, 451389, 601852, 752315, 902778, 1354167, 1504630, 1805556, 2256945, 2708334, 3009260, 4062501, 4513890, 5416668, 6770835, 8125002, 9027780, 13541670, 16250004, 20312505, 27083340, 40625010, 81250020]

約数ペア:

[(1, 81250020), (2, 40625010), (3, 27083340), (4, 20312505), (5, 16250004), (6, 13541670), (9, 9027780), (10, 8125002), (12, 6770835), (15, 5416668), (18, 4513890), (20, 4062501), (27, 3009260), (30, 2708334), (36, 2256945), (45, 1805556), (54, 1504630), (60, 1354167), (90, 902778), (108, 752315), (135, 601852), (180, 451389), (270, 300926), (379, 214380), (397, 204660), (540, 150463), (758, 107190), (794, 102330), (1137, 71460), (1191, 68220), (1516, 53595), (1588, 51165), (1895, 42876), (1985, 40932), (2274, 35730), (2382, 34110), (3411, 23820), (3573, 22740), (3790, 21438), (3970, 20466), (4548, 17865), (4764, 17055), (5685, 14292), (5955, 13644), (6822, 11910), (7146, 11370), (7580, 10719), (7940, 10233)]