209946120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2131}}^1$

素因数の和:2966

約数の個数: 64

約数和(自身を含む): 630901440

約数和(自身を除く): 420955320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1642, 2131, 2463, 3284, 4105, 4262, 4926, 6393, 6568, 8210, 8524, 9852, 10655, 12315, 12786, 16420, 17048, 19704, 21310, 24630, 25572, 31965, 32840, 42620, 49260, 51144, 63930, 85240, 98520, 127860, 255720, 1749551, 3499102, 5248653, 6998204, 8747755, 10497306, 13996408, 17495510, 20994612, 26243265, 34991020, 41989224, 52486530, 69982040, 104973060, 209946120]

約数ペア:

[(1, 209946120), (2, 104973060), (3, 69982040), (4, 52486530), (5, 41989224), (6, 34991020), (8, 26243265), (10, 20994612), (12, 17495510), (15, 13996408), (20, 10497306), (24, 8747755), (30, 6998204), (40, 5248653), (60, 3499102), (120, 1749551), (821, 255720), (1642, 127860), (2131, 98520), (2463, 85240), (3284, 63930), (4105, 51144), (4262, 49260), (4926, 42620), (6393, 32840), (6568, 31965), (8210, 25572), (8524, 24630), (9852, 21310), (10655, 19704), (12315, 17048), (12786, 16420)]