30115760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19813}}^1$

素因数の和:19845

約数の個数: 40

約数和(自身を含む): 73708080

約数和(自身を除く): 43592320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19813, 39626, 79252, 99065, 158504, 198130, 317008, 376447, 396260, 752894, 792520, 1505788, 1585040, 1882235, 3011576, 3764470, 6023152, 7528940, 15057880, 30115760]

約数ペア:

[(1, 30115760), (2, 15057880), (4, 7528940), (5, 6023152), (8, 3764470), (10, 3011576), (16, 1882235), (19, 1585040), (20, 1505788), (38, 792520), (40, 752894), (76, 396260), (80, 376447), (95, 317008), (152, 198130), (190, 158504), (304, 99065), (380, 79252), (760, 39626), (1520, 19813)]