81971100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{91079}}^1$

素因数の和:91099

約数の個数: 54

約数和(自身を含む): 256936680

約数和(自身を除く): 174965580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 91079, 182158, 273237, 364316, 455395, 546474, 819711, 910790, 1092948, 1366185, 1639422, 1821580, 2276975, 2732370, 3278844, 4098555, 4553950, 5464740, 6830925, 8197110, 9107900, 13661850, 16394220, 20492775, 27323700, 40985550, 81971100]

約数ペア:

[(1, 81971100), (2, 40985550), (3, 27323700), (4, 20492775), (5, 16394220), (6, 13661850), (9, 9107900), (10, 8197110), (12, 6830925), (15, 5464740), (18, 4553950), (20, 4098555), (25, 3278844), (30, 2732370), (36, 2276975), (45, 1821580), (50, 1639422), (60, 1366185), (75, 1092948), (90, 910790), (100, 819711), (150, 546474), (180, 455395), (225, 364316), (300, 273237), (450, 182158), (900, 91079)]