220833480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262897}}^1$

素因数の和:262918

約数の個数: 64

約数和(自身を含む): 757146240

約数和(自身を除く): 536312760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262897, 525794, 788691, 1051588, 1314485, 1577382, 1840279, 2103176, 2628970, 3154764, 3680558, 3943455, 5257940, 5520837, 6309528, 7361116, 7886910, 9201395, 10515880, 11041674, 14722232, 15773820, 18402790, 22083348, 27604185, 31547640, 36805580, 44166696, 55208370, 73611160, 110416740, 220833480]

約数ペア:

[(1, 220833480), (2, 110416740), (3, 73611160), (4, 55208370), (5, 44166696), (6, 36805580), (7, 31547640), (8, 27604185), (10, 22083348), (12, 18402790), (14, 15773820), (15, 14722232), (20, 11041674), (21, 10515880), (24, 9201395), (28, 7886910), (30, 7361116), (35, 6309528), (40, 5520837), (42, 5257940), (56, 3943455), (60, 3680558), (70, 3154764), (84, 2628970), (105, 2103176), (120, 1840279), (140, 1577382), (168, 1314485), (210, 1051588), (280, 788691), (420, 525794), (840, 262897)]