1387664580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{10853}}^1$

素因数の和:12996

約数の個数: 48

約数和(自身を含む): 3887642304

約数和(自身を除く): 2499977724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2131, 4262, 6393, 8524, 10655, 10853, 12786, 21310, 21706, 25572, 31965, 32559, 42620, 43412, 54265, 63930, 65118, 108530, 127860, 130236, 162795, 217060, 325590, 651180, 23127743, 46255486, 69383229, 92510972, 115638715, 138766458, 231277430, 277532916, 346916145, 462554860, 693832290, 1387664580]

約数ペア:

[(1, 1387664580), (2, 693832290), (3, 462554860), (4, 346916145), (5, 277532916), (6, 231277430), (10, 138766458), (12, 115638715), (15, 92510972), (20, 69383229), (30, 46255486), (60, 23127743), (2131, 651180), (4262, 325590), (6393, 217060), (8524, 162795), (10655, 130236), (10853, 127860), (12786, 108530), (21310, 65118), (21706, 63930), (25572, 54265), (31965, 43412), (32559, 42620)]