30007840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9905

約数の個数: 48

約数和(自身を含む): 74632320

約数和(自身を除く): 44624480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9871, 19742, 39484, 49355, 78968, 98710, 157936, 187549, 197420, 315872, 375098, 394840, 750196, 789680, 937745, 1500392, 1579360, 1875490, 3000784, 3750980, 6001568, 7501960, 15003920, 30007840]

約数ペア:

[(1, 30007840), (2, 15003920), (4, 7501960), (5, 6001568), (8, 3750980), (10, 3000784), (16, 1875490), (19, 1579360), (20, 1500392), (32, 937745), (38, 789680), (40, 750196), (76, 394840), (80, 375098), (95, 315872), (152, 197420), (160, 187549), (190, 157936), (304, 98710), (380, 78968), (608, 49355), (760, 39484), (1520, 19742), (3040, 9871)]