66781500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{211}}^2$

素因数の和:444

約数の個数: 72

約数和(自身を含む): 195393744

約数和(自身を除く): 128612244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 211, 250, 300, 375, 422, 500, 633, 750, 844, 1055, 1266, 1500, 2110, 2532, 3165, 4220, 5275, 6330, 10550, 12660, 15825, 21100, 26375, 31650, 44521, 52750, 63300, 79125, 89042, 105500, 133563, 158250, 178084, 222605, 267126, 316500, 445210, 534252, 667815, 890420, 1113025, 1335630, 2226050, 2671260, 3339075, 4452100, 5565125, 6678150, 11130250, 13356300, 16695375, 22260500, 33390750, 66781500]

約数ペア:

[(1, 66781500), (2, 33390750), (3, 22260500), (4, 16695375), (5, 13356300), (6, 11130250), (10, 6678150), (12, 5565125), (15, 4452100), (20, 3339075), (25, 2671260), (30, 2226050), (50, 1335630), (60, 1113025), (75, 890420), (100, 667815), (125, 534252), (150, 445210), (211, 316500), (250, 267126), (300, 222605), (375, 178084), (422, 158250), (500, 133563), (633, 105500), (750, 89042), (844, 79125), (1055, 63300), (1266, 52750), (1500, 44521), (2110, 31650), (2532, 26375), (3165, 21100), (4220, 15825), (5275, 12660), (6330, 10550)]