61145140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 152947872

約数和(自身を除く): 91802732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1451, 1505, 2107, 2902, 3010, 4214, 5804, 6020, 7255, 8428, 10157, 10535, 14510, 20314, 21070, 29020, 40628, 42140, 50785, 62393, 71099, 101570, 124786, 142198, 203140, 249572, 284396, 311965, 355495, 436751, 623930, 710990, 873502, 1247860, 1421980, 1747004, 2183755, 3057257, 4367510, 6114514, 8735020, 12229028, 15286285, 30572570, 61145140]

約数ペア:

[(1, 61145140), (2, 30572570), (4, 15286285), (5, 12229028), (7, 8735020), (10, 6114514), (14, 4367510), (20, 3057257), (28, 2183755), (35, 1747004), (43, 1421980), (49, 1247860), (70, 873502), (86, 710990), (98, 623930), (140, 436751), (172, 355495), (196, 311965), (215, 284396), (245, 249572), (301, 203140), (430, 142198), (490, 124786), (602, 101570), (860, 71099), (980, 62393), (1204, 50785), (1451, 42140), (1505, 40628), (2107, 29020), (2902, 21070), (3010, 20314), (4214, 14510), (5804, 10535), (6020, 10157), (7255, 8428)]