2563980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 7252224

約数和(自身を除く): 4688244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 283, 302, 453, 566, 604, 755, 849, 906, 1132, 1415, 1510, 1698, 1812, 2265, 2830, 3020, 3396, 4245, 4530, 5660, 8490, 9060, 16980, 42733, 85466, 128199, 170932, 213665, 256398, 427330, 512796, 640995, 854660, 1281990, 2563980]

約数ペア:

[(1, 2563980), (2, 1281990), (3, 854660), (4, 640995), (5, 512796), (6, 427330), (10, 256398), (12, 213665), (15, 170932), (20, 128199), (30, 85466), (60, 42733), (151, 16980), (283, 9060), (302, 8490), (453, 5660), (566, 4530), (604, 4245), (755, 3396), (849, 3020), (906, 2830), (1132, 2265), (1415, 1812), (1510, 1698)]